3x+1 Class records calculation progress map
 
Completed block range from 200000 to 300000
 
200000-100
Kevin
200100-200
Kevin
200200-300
Kevin
200300-400
Kevin
200400-500
Kevin
200500-600
Kevin
200600-700
Kevin
200700-800
Kevin
200800-900
Kevin
200900-000
Kevin
201000-100
Kevin
201100-200
Kevin
201200-300
Kevin
201300-400
Kevin
201400-500
Kevin
201500-600
Kevin
201600-700
Kevin
201700-800
Kevin
201800-900
Kevin
201900-000
Kevin
202000-100
Kevin
202100-200
Kevin
202200-300
Kevin
202300-400
Kevin
202400-500
Kevin
202500-600
Kevin
202600-700
Kevin
202700-800
Kevin
202800-900
Kevin
202900-000
Kevin
203000-100
Eric
203100-200
Steven
203200-300
Steven
203300-400
Steven
203400-500
Michael C
203500-600
Eric
203600-700
Eric
203700-800
Eric
203800-900
Michael C
203900-000
Eric
204000-100
Kevin
204100-200
Kevin
204200-300
Kevin
204300-400
Kevin
204400-500
Kevin
204500-600
Kevin
204600-700
Kevin
204700-800
Kevin
204800-900
Kevin
204900-000
Kevin
205000-100
Luiz
205100-200
Luiz
205200-300
Tom
205300-400
Tom
205400-500
Eric
205500-600
Eric
205600-700
Eric
205700-800
Bob
205800-900
Bob
205900-000
Bob
206000-100
Kevin
206100-200
Kevin
206200-300
Kevin
206300-400
Kevin
206400-500
Kevin
206500-600
Kevin
206600-700
Kevin
206700-800
Kevin
206800-900
Kevin
206900-000
Kevin
207000-100
Kevin
207100-200
Kevin
207200-300
Kevin
207300-400
Kevin
207400-500
Kevin
207500-600
Kevin
207600-700
Kevin
207700-800
Kevin
207800-900
Kevin
207900-000
Kevin
208000-100
Kevin
208100-200
Kevin
208200-300
Kevin
208300-400
Kevin
208400-500
Kevin
208500-600
Kevin
208600-700
Kevin
208700-800
Kevin
208800-900
Kevin
208900-000
Kevin
209000-100
Michael C
209100-200
Eric
209200-300
JerryM
209300-400
Eric
209400-500
Steven
209500-600
Steven
209600-700
Steven
209700-800
Steven
209800-900
Tom
209900-000
Tom
210000-100
Kevin
210100-200
Kevin
210200-300
Kevin
210300-400
Kevin
210400-500
Kevin
210500-600
Kevin
210600-700
Kevin
210700-800
Kevin
210800-900
Kevin
210900-000
Kevin
211000-100
Kevin
211100-200
Kevin
211200-300
Kevin
211300-400
Kevin
211400-500
Kevin
211500-600
Kevin
211600-700
Kevin
211700-800
Kevin
211800-900
Kevin
211900-000
Kevin
212000-100
Kevin
212100-200
Kevin
212200-300
Kevin
212300-400
Kevin
212400-500
Kevin
212500-600
Kevin
212600-700
Kevin
212700-800
Kevin
212800-900
Kevin
212900-000
Kevin
213000-100
Eric
213100-200
Eric
213200-300
JerryM
213300-400
Wenjie
213400-500
Wenjie
213500-600
Wenjie
213600-700
Wenjie
213700-800
Eric
213800-900
Luiz
213900-000
Luiz
214000-100
Kevin
214100-200
Kevin
214200-300
Kevin
214300-400
Kevin
214400-500
Kevin
214500-600
Kevin
214600-700
Kevin
214700-800
Kevin
214800-900
Kevin
214900-000
Kevin
215000-100
Kevin
215100-200
Kevin
215200-300
Kevin
215300-400
Kevin
215400-500
Kevin
215500-600
Kevin
215600-700
Kevin
215700-800
Kevin
215800-900
Kevin
215900-000
Kevin
216000-100
Wenjie
216100-200
Wenjie
216200-300
Wenjie
216300-400
Wenjie
216400-500
Wenjie
216500-600
Wenjie
216600-700
Wenjie
216700-800
Wenjie
216800-900
Tom
216900-000
Tom
217000-100
Steven
217100-200
Steven
217200-300
Steven
217300-400
Steven
217400-500
Steven
217500-600
Steven
217600-700
Steven
217700-800
Steven
217800-900
XingPeng
217900-000
Eric
218000-100
Michael C
218100-200
XingPeng
218200-300
XingPeng
218300-400
XingPeng
218400-500
XingPeng
218500-600
Steven
218600-700
Steven
218700-800
Steven
218800-900
Steven
218900-000
JerryM
219000-100
Kevin
219100-200
Kevin
219200-300
Kevin
219300-400
Kevin
219400-500
Kevin
219500-600
Kevin
219600-700
Kevin
219700-800
Kevin
219800-900
Kevin
219900-000
Kevin
220000-100
Kevin
220100-200
Kevin
220200-300
Kevin
220300-400
Kevin
220400-500
Kevin
220500-600
Kevin
220600-700
Kevin
220700-800
Kevin
220800-900
Kevin
220900-000
Kevin
221000-100
Wenjie
221100-200
Wenjie
221200-300
Wenjie
221300-400
Wenjie
221400-500
Wenjie
221500-600
Wenjie
221600-700
Wenjie
221700-800
Wenjie
221800-900
Wenjie
221900-000
Wenjie
222000-100
Eric
222100-200
Bob
222200-300
XingPeng
222300-400
Eric
222400-500
Eric
222500-600
Eric
222600-700
Eric
222700-800
Eric
222800-900
Eric
222900-000
JerryM
223000-100
Kevin
223100-200
Kevin
223200-300
Kevin
223300-400
Kevin
223400-500
Kevin
223500-600
Kevin
223600-700
Kevin
223700-800
Kevin
223800-900
Kevin
223900-000
Kevin
224000-100
Kevin
224100-200
Kevin
224200-300
Kevin
224300-400
Kevin
224400-500
Kevin
224500-600
Kevin
224600-700
Kevin
224700-800
Kevin
224800-900
Kevin
224900-000
Kevin
225000-100
Kevin
225100-200
Kevin
225200-300
Kevin
225300-400
Kevin
225400-500
Kevin
225500-600
Kevin
225600-700
Kevin
225700-800
Kevin
225800-900
Kevin
225900-000
Kevin
226000-100
Wenjie
226100-200
Wenjie
226200-300
Wenjie
226300-400
Wenjie
226400-500
Wenjie
226500-600
Wenjie
226600-700
Wenjie
226700-800
Wenjie
226800-900
Wenjie
226900-000
Wenjie
227000-100
Tom
227100-200
Tom
227200-300
Eric
227300-400
Eric
227400-500
Eric
227500-600
JerryM
227600-700
Eric
227700-800
Michael C
227800-900
Bob
227900-000
Bob
228000-100
Wenjie
228100-200
Wenjie
228200-300
Wenjie
228300-400
Wenjie
228400-500
Wenjie
228500-600
Wenjie
228600-700
Wenjie
228700-800
Wenjie
228800-900
Wenjie
228900-000
Wenjie
229000-100
Steven
229100-200
Steven
229200-300
Steven
229300-400
Steven
229400-500
Steven
229500-600
Steven
229600-700
Steven
229700-800
Steven
229800-900
Luiz
229900-000
Luiz
230000-100
Kevin
230100-200
Kevin
230200-300
Kevin
230300-400
Kevin
230400-500
Kevin
230500-600
Kevin
230600-700
Kevin
230700-800
Kevin
230800-900
Kevin
230900-000
Kevin
231000-100
Kevin
231100-200
Kevin
231200-300
Kevin
231300-400
Kevin
231400-500
Kevin
231500-600
Kevin
231600-700
Kevin
231700-800
Kevin
231800-900
Kevin
231900-000
Kevin
232000-100
Kevin
232100-200
Kevin
232200-300
Kevin
232300-400
Kevin
232400-500
Kevin
232500-600
Kevin
232600-700
Kevin
232700-800
Kevin
232800-900
Kevin
232900-000
Kevin
233000-100
Wenjie
233100-200
Wenjie
233200-300
Wenjie
233300-400
Wenjie
233400-500
Wenjie
233500-600
Wenjie
233600-700
Wenjie
233700-800
Wenjie
233800-900
Wenjie
233900-000
Wenjie
234000-100
Eric
234100-200
Eric
234200-300
JerryM
234300-400
Eric
234400-500
Bob
234500-600
Bob
234600-700
Steven
234700-800
Steven
234800-900
Steven
234900-000
Steven
235000-100
Wenjie
235100-200
Wenjie
235200-300
Wenjie
235300-400
Wenjie
235400-500
Wenjie
235500-600
Wenjie
235600-700
Wenjie
235700-800
Wenjie
235800-900
Wenjie
235900-000
Wenjie
236000-100
Kevin
236100-200
Kevin
236200-300
Kevin
236300-400
Kevin
236400-500
Kevin
236500-600
Kevin
236600-700
Kevin
236700-800
Kevin
236800-900
Kevin
236900-000
Kevin
237000-100
Kevin
237100-200
Kevin
237200-300
Kevin
237300-400
Kevin
237400-500
Kevin
237500-600
Kevin
237600-700
Kevin
237700-800
Kevin
237800-900
Kevin
237900-000
Kevin
238000-100
Kevin
238100-200
Kevin
238200-300
Kevin
238300-400
Kevin
238400-500
Kevin
238500-600
Kevin
238600-700
Kevin
238700-800
Kevin
238800-900
Kevin
238900-000
Kevin
239000-100
Steven
239100-200
Steven
239200-300
Steven
239300-400
Steven
239400-500
JerryM
239500-600
Michael C
239600-700
Eric
239700-800
Eric
239800-900
Luiz
239900-000
Luiz
240000-100
Wenjie
240100-200
Wenjie
240200-300
Wenjie
240300-400
Wenjie
240400-500
Wenjie
240500-600
Wenjie
240600-700
Wenjie
240700-800
Wenjie
240800-900
Wenjie
240900-000
Wenjie
241000-100
Kevin
241100-200
Kevin
241200-300
Kevin
241300-400
Kevin
241400-500
Kevin
241500-600
Kevin
241600-700
Kevin
241700-800
Kevin
241800-900
Kevin
241900-000
Kevin
242000-100
Kevin
242100-200
Kevin
242200-300
Kevin
242300-400
Kevin
242400-500
Kevin
242500-600
Kevin
242600-700
Kevin
242700-800
Kevin
242800-900
Kevin
242900-000
Kevin
243000-100
Kevin
243100-200
Kevin
243200-300
Kevin
243300-400
Kevin
243400-500
Kevin
243500-600
Kevin
243600-700
Kevin
243700-800
Kevin
243800-900
Kevin
243900-000
Kevin
244000-100
Wenjie
244100-200
Wenjie
244200-300
Wenjie
244300-400
Wenjie
244400-500
Wenjie
244500-600
Wenjie
244600-700
Wenjie
244700-800
Wenjie
244800-900
Wenjie
244900-000
Wenjie
245000-100
JerryM
245100-200
Bob
245200-300
Bob
245300-400
Michael C
245400-500
Eric
245500-600
Michael C
245600-700
Steven
245700-800
Steven
245800-900
Steven
245900-000
Steven
246000-100
Steven
246100-200
Bob
246200-300
Bob
246300-400
Eric
246400-500
JerryM
246500-600
Eric
246600-700
Luiz
246700-800
Luiz
246800-900
Bob
246900-000
Bob
247000-100
Wenjie
247100-200
Wenjie
247200-300
Wenjie
247300-400
Wenjie
247400-500
Wenjie
247500-600
Wenjie
247600-700
Wenjie
247700-800
Wenjie
247800-900
Wenjie
247900-000
Wenjie
248000-100
Kevin
248100-200
Kevin
248200-300
Kevin
248300-400
Kevin
248400-500
Kevin
248500-600
Kevin
248600-700
Kevin
248700-800
Kevin
248800-900
Kevin
248900-000
Kevin
249000-100
Kevin
249100-200
Kevin
249200-300
Kevin
249300-400
Kevin
249400-500
Kevin
249500-600
Kevin
249600-700
Kevin
249700-800
Kevin
249800-900
Kevin
249900-000
Kevin
250000-100
Kevin
250100-200
Kevin
250200-300
Kevin
250300-400
Kevin
250400-500
Kevin
250500-600
Kevin
250600-700
Kevin
250700-800
Kevin
250800-900
Kevin
250900-000
Kevin
251000-100
Eric
251100-200
Tom
251200-300
Tom
251300-400
JerryM
251400-500
Eric
251500-600
Bob
251600-700
Bob
251700-800
Eric
251800-900
Steven
251900-000
Steven
252000-100
Wenjie
252100-200
Wenjie
252200-300
Wenjie
252300-400
Wenjie
252400-500
Wenjie
252500-600
Wenjie
252600-700
Wenjie
252700-800
Wenjie
252800-900
Wenjie
252900-000
Wenjie
253000-100
Kevin
253100-200
Kevin
253200-300
Kevin
253300-400
Kevin
253400-500
Kevin
253500-600
Kevin
253600-700
Kevin
253700-800
Kevin
253800-900
Kevin
253900-000
Kevin
254000-100
Kevin
254100-200
Kevin
254200-300
Kevin
254300-400
Kevin
254400-500
Kevin
254500-600
Kevin
254600-700
Kevin
254700-800
Kevin
254800-900
Kevin
254900-000
Kevin
255000-100
Kevin
255100-200
Kevin
255200-300
Kevin
255300-400
Kevin
255400-500
Kevin
255500-600
Kevin
255600-700
Kevin
255700-800
Kevin
255800-900
Kevin
255900-000
Kevin
256000-100
Wenjie
256100-200
Wenjie
256200-300
Wenjie
256300-400
Wenjie
256400-500
Wenjie
256500-600
Wenjie
256600-700
Wenjie
256700-800
Wenjie
256800-900
Wenjie
256900-000
Wenjie
257000-100
Steven
257100-200
Steven
257200-300
Steven
257300-400
Luiz
257400-500
Luiz
257500-600
Eric
257600-700
Bob
257700-800
Bob
257800-900
Tom
257900-000
Tom
258000-100
Kevin
258100-200
Kevin
258200-300
Kevin
258300-400
Kevin
258400-500
Kevin
258500-600
Kevin
258600-700
Kevin
258700-800
Kevin
258800-900
Kevin
258900-000
Kevin
259000-100
Kevin
259100-200
Kevin
259200-300
Kevin
259300-400
Kevin
259400-500
Kevin
259500-600
Kevin
259600-700
Kevin
259700-800
Kevin
259800-900
Kevin
259900-000
Kevin
260000-100
Kevin
260100-200
Kevin
260200-300
Kevin
260300-400
Kevin
260400-500
Kevin
260500-600
Kevin
260600-700
Kevin
260700-800
Kevin
260800-900
Kevin
260900-000
Kevin
261000-100
Luiz
261100-200
Luiz
261200-300
Eric
261300-400
JerryM
261400-500
Lutz
261500-600
Lutz
261600-700
Eric
261700-800
Luiz
261800-900
Luiz
261900-000
Lutz
262000-100
Wenjie
262100-200
Wenjie
262200-300
Wenjie
262300-400
Wenjie
262400-500
Wenjie
262500-600
Wenjie
262600-700
Wenjie
262700-800
Wenjie
262800-900
Wenjie
262900-000
Wenjie
263000-100
Lutz
263100-200
Lutz
263200-300
Lutz
263300-400
Lutz
263400-500
Bob
263500-600
Bob
263600-700
Eric
263700-800
Eric
263800-900
Tom
263900-000
Tom
264000-100
Kevin
264100-200
Kevin
264200-300
Kevin
264300-400
Kevin
264400-500
Kevin
264500-600
Kevin
264600-700
Kevin
264700-800
Kevin
264800-900
Kevin
264900-000
Kevin
265000-100
Kevin
265100-200
Kevin
265200-300
Kevin
265300-400
Kevin
265400-500
Kevin
265500-600
Kevin
265600-700
Kevin
265700-800
Kevin
265800-900
Kevin
265900-000
Kevin
266000-100
Kevin
266100-200
Kevin
266200-300
Kevin
266300-400
Kevin
266400-500
Kevin
266500-600
Kevin
266600-700
Kevin
266700-800
Kevin
266800-900
Kevin
266900-000
Kevin
267000-100
Wenjie
267100-200
Wenjie
267200-300
Wenjie
267300-400
Wenjie
267400-500
Wenjie
267500-600
Wenjie
267600-700
Wenjie
267700-800
Wenjie
267800-900
Wenjie
267900-000
Wenjie
268000-100
Luiz
268100-200
Luiz
268200-300
Eric
268300-400
Eric
268400-500
Eric
268500-600
Eric
268600-700
Eric
268700-800
Eric
268800-900
Bob
268900-000
Bob
269000-100
JerryM
269100-200
Luiz
269200-300
Luiz
269300-400
Steven
269400-500
Steven
269500-600
Steven
269600-700
Steven
269700-800
Steven
269800-900
Eric
269900-000
Eric
270000-100
Bob
270100-200
Bob
270200-300
Lutz
270300-400
Lutz
270400-500
Lutz
270500-600
Lutz
270600-700
Tom
270700-800
Tom
270800-900
JerryM
270900-000
Eric
271000-100
Wenjie
271100-200
Wenjie
271200-300
Wenjie
271300-400
Wenjie
271400-500
Wenjie
271500-600
Wenjie
271600-700
Wenjie
271700-800
Wenjie
271800-900
Wenjie
271900-000
Wenjie
272000-100
Kevin
272100-200
Kevin
272200-300
Kevin
272300-400
Kevin
272400-500
Kevin
272500-600
Kevin
272600-700
Kevin
272700-800
Kevin
272800-900
Kevin
272900-000
Kevin
273000-100
Kevin
273100-200
Kevin
273200-300
Kevin
273300-400
Kevin
273400-500
Kevin
273500-600
Kevin
273600-700
Kevin
273700-800
Kevin
273800-900
Kevin
273900-000
Kevin
274000-100
Kevin
274100-200
Kevin
274200-300
Kevin
274300-400
Kevin
274400-500
Kevin
274500-600
Kevin
274600-700
Kevin
274700-800
Kevin
274800-900
Kevin
274900-000
Kevin
275000-100
Luiz
275100-200
Luiz
275200-300
Bob
275300-400
Bob
275400-500
Eric
275500-600
Steven
275600-700
Steven
275700-800
Steven
275800-900
Steven
275900-000
Steven
276000-100
Kevin
276100-200
Kevin
276200-300
Kevin
276300-400
Kevin
276400-500
Kevin
276500-600
Kevin
276600-700
Kevin
276700-800
Kevin
276800-900
Kevin
276900-000
Kevin
277000-100
Kevin
277100-200
Kevin
277200-300
Kevin
277300-400
Kevin
277400-500
Kevin
277500-600
Kevin
277600-700
Kevin
277700-800
Kevin
277800-900
Kevin
277900-000
Kevin
278000-100
Kevin
278100-200
Kevin
278200-300
Kevin
278300-400
Kevin
278400-500
Kevin
278500-600
Kevin
278600-700
Kevin
278700-800
Kevin
278800-900
Kevin
278900-000
Kevin
279000-100
Luiz
279100-200
Luiz
279200-300
JerryM
279300-400
Tom
279400-500
Tom
279500-600
Eric
279600-700
Lutz
279700-800
Lutz
279800-900
Lutz
279900-000
Lutz
280000-100
Wenjie
280100-200
Wenjie
280200-300
Wenjie
280300-400
Wenjie
280400-500
Wenjie
280500-600
Wenjie
280600-700
Wenjie
280700-800
Wenjie
280800-900
Wenjie
280900-000
Wenjie
281000-100
Wenjie
281100-200
Wenjie
281200-300
Wenjie
281300-400
Wenjie
281400-500
Wenjie
281500-600
Wenjie
281600-700
Wenjie
281700-800
Wenjie
281800-900
Wenjie
281900-000
Wenjie
282000-100
Kevin
282100-200
Kevin
282200-300
Kevin
282300-400
Kevin
282400-500
Kevin
282500-600
Kevin
282600-700
Kevin
282700-800
Kevin
282800-900
Kevin
282900-000
Kevin
283000-100
Kevin
283100-200
Kevin
283200-300
Kevin
283300-400
Kevin
283400-500
Kevin
283500-600
Kevin
283600-700
Kevin
283700-800
Kevin
283800-900
Kevin
283900-000
Kevin
284000-100
Kevin
284100-200
Kevin
284200-300
Kevin
284300-400
Kevin
284400-500
Kevin
284500-600
Kevin
284600-700
Kevin
284700-800
Kevin
284800-900
Kevin
284900-000
Kevin
285000-100
JerryM
285100-200
Luiz
285200-300
Luiz
285300-400
Lutz
285400-500
Lutz
285500-600
Lutz
285600-700
Tom
285700-800
Tom
285800-900
Bob
285900-000
Bob
286000-100
Lutz
286100-200
Lutz
286200-300
Lutz
286300-400
Lutz
286400-500
Eric
286500-600
Eric
286600-700
JerryM
286700-800
Bob
286800-900
Bob
286900-000
Luiz
287000-100
Kevin
287100-200
Kevin
287200-300
Kevin
287300-400
Kevin
287400-500
Kevin
287500-600
Kevin
287600-700
Kevin
287700-800
Kevin
287800-900
Kevin
287900-000
Kevin
288000-100
Kevin
288100-200
Kevin
288200-300
Kevin
288300-400
Kevin
288400-500
Kevin
288500-600
Kevin
288600-700
Kevin
288700-800
Kevin
288800-900
Kevin
288900-000
Kevin
289000-100
Kevin
289100-200
Kevin
289200-300
Kevin
289300-400
Kevin
289400-500
Kevin
289500-600
Kevin
289600-700
Kevin
289700-800
Kevin
289800-900
Kevin
289900-000
Kevin
290000-100
Luiz
290100-200
Tom
290200-300
Tom
290300-400
Lutz
290400-500
Lutz
290500-600
Lutz
290600-700
Lutz
290700-800
JerryM
290800-900
Bob
290900-000
Bob
291000-100
Kevin
291100-200
Kevin
291200-300
Kevin
291300-400
Kevin
291400-500
Kevin
291500-600
Kevin
291600-700
Kevin
291700-800
Kevin
291800-900
Kevin
291900-000
Kevin
292000-100
Kevin
292100-200
Kevin
292200-300
Kevin
292300-400
Kevin
292400-500
Kevin
292500-600
Kevin
292600-700
Kevin
292700-800
Kevin
292800-900
Kevin
292900-000
Kevin
293000-100
Kevin
293100-200
Kevin
293200-300
Kevin
293300-400
Kevin
293400-500
Kevin
293500-600
Kevin
293600-700
Kevin
293700-800
Kevin
293800-900
Kevin
293900-000
Kevin
294000-100
Luiz
294100-200
Luiz
294200-300
Tom
294300-400
Tom
294400-500
Bob
294500-600
Bob
294600-700
Lutz
294700-800
Lutz
294800-900
Lutz
294900-000
Lutz
295000-100
Kevin
295100-200
Kevin
295200-300
Kevin
295300-400
Kevin
295400-500
Kevin
295500-600
Kevin
295600-700
Kevin
295700-800
Kevin
295800-900
Kevin
295900-000
Kevin
296000-100
Kevin
296100-200
Kevin
296200-300
Kevin
296300-400
Kevin
296400-500
Kevin
296500-600
Kevin
296600-700
Kevin
296700-800
Kevin
296800-900
Kevin
296900-000
Kevin
297000-100
Kevin
297100-200
Kevin
297200-300
Kevin
297300-400
Kevin
297400-500
Kevin
297500-600
Kevin
297600-700
Kevin
297700-800
Kevin
297800-900
Kevin
297900-000
Kevin
298000-100
Luiz
298100-200
Luiz
298200-300
Steven
298300-400
Steven
298400-500
Steven
298500-600
Steven
298600-700
JerryM
298700-800
Tom
298800-900
Tom
298900-000
Kevin
299000-100
Kevin
299100-200
Kevin
299200-300
Kevin
299300-400
Kevin
299400-500
Kevin
299500-600
Kevin
299600-700
Kevin
299700-800
Kevin
299800-900
Kevin
299900-000
Kevin
Contributions by
EricEric Roosendaal, Netherlands (author) LutzLutz Nebe, Germany
KevinKevin Hebb, Alberta, Canada BobBob Coffman, USA
WenjieFang Wenjie, China StevenSteven Cuthbert, England
LuizLuiz Antonio Souza, Brazil TomTom Leong, USA
Michael CMichael Collier, Australia JerryMJerry Metzger, USA
XingPengXingPeng, China   

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