Prime p₀= 1866171991888651397 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 10 2 40 2 154 2 40 2 10 2 (?)
a_n: 0 2 12 14 54 56 210 212 252 254 264 266
All 12 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 266
Found by: LCB001
db: batch=79, k=12, 2 10 2 40 2 154

STPT(10)	1866169877909129171	0 2 36 38 78 80 120 122 156 158	-2113979522226
SPT(16)	1866170402353471223	0 6 44 48 50 66 80 86 168 174 188 204 206 210 248 254	-1589535180174
SPT(16)	1866170592607039541	0 26 42 50 92 138 140 146 372 378 380 426 468 476 492 518	-1399281611856
SPT(16)	1866170973589030687	0 22 40 42 52 102 126 132 250 256 280 330 340 342 360 382	-1018299620710
STPT(10)	1866171665313276491	0 2 30 32 78 80 126 128 156 158	-326575374906
SPT(16)	1866171787141744097	0 26 30 32 44 54 122 126 140 144 212 222 234 236 240 266	-204746907300
STPT(10)	1866172068920758787	0 2 24 26 42 44 60 62 84 86	77032107390
STPT(10)	1866172144010015201	0 2 6 8 48 50 90 92 96 98	152121363804
STPT(10)	1866172231355411339	0 2 42 44 90 92 138 140 180 182	239466759942
STPT(10)	1866172286188763237	0 2 24 26 42 44 60 62 84 86	294300111840
SPT(16)	1866172325444755753	0 18 36 46 60 64 76 94 120 138 150 154 168 178 196 214	333556104356