Prime p₀= 2661000149993136683 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 6 48 66 36 18 36 36 18 36 66 48 6 (?)
a_n: 0 6 54 120 156 174 210 246 264 300 366 414 420
All 13 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 420
Found by: biodoc
db: batch=82, k=13, 6 48 66 36 18 36

SPT(16)	2660998773116531521	0 90 102 156 160 216 256 258 310 312 352 408 412 466 478 568	-1376876605162
STPT(10)	2660998830637042079	0 2 18 20 30 32 42 44 60 62	-1319356094604
STPT(10)	2660999538548700197	0 2 30 32 60 62 90 92 120 122	-611444436486
STPT(12)	2660999689839938087	0 2 12 14 54 56 90 92 132 134 144 146	-460153198596
SPT(16)	2661000081026926559	0 20 60 98 104 128 152 174 308 330 354 378 384 422 462 482	-68966210124
SPT(16)	2661000087287104583	0 20 26 38 56 66 86 108 128 150 170 180 198 210 216 236	-62706032100
STPT(10)	2661000469997844719	0 2 42 44 90 92 138 140 180 182	320004708036
STPT(10)	2661000471776368361	0 2 6 8 48 50 90 92 96 98	321783231678
STPT(10)	2661000575880655871	0 2 30 32 78 80 126 128 156 158	425887519188
SPT(20)	2661000795216941071	0 66 76 88 96 102 142 156 166 228 250 312 322 336 376 382 390 402 412 478	645223804388
STPT(10)	2661000926330497097	0 2 12 14 42 44 72 74 84 86	776337360414