Prime p₀= 2667567456388456703 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 20 6 84 10 18 18 12 68 4 68 12 18 18 10 84 6 20 (?)
a_n: 0 20 26 110 120 138 156 168 236 240 308 320 338 356 366 450 456 476
All 18 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 476
Found by: fzs600
db: batch=82, k=18, 20 6 84 10 18 18 12 68 4

SPT(16)	2667565820374325237	0 56 66 90 120 122 132 146 156 170 180 182 212 236 246 302	-1636014131466
SPT(16)	2667566485318055161	0 16 66 70 88 106 120 142 156 178 192 210 228 232 282 298	-971070401542
SPT(16)	2667566518340398561	0 18 28 90 132 168 250 252 256 258 340 376 418 480 490 508	-938048058142
STPT(10)	2667566703107381441	0 2 36 38 78 80 120 122 156 158	-753281075262
STPT(10)	2667567242989269317	0 2 30 32 72 74 114 116 144 146	-213399187386
SPT(13)	2667567420569702941	0 30 78 90 168 198 210 222 252 330 342 390 420	-35818753762
SPT(16)	2667567704259019687	0 12 94 100 130 244 264 280 324 340 360 474 504 510 592 604	247870562984
STPT(10)	2667568251112472801	0 2 30 32 60 62 90 92 120 122	794724016098
SPT(16)	2667568914789951001	0 12 36 40 70 148 168 216 232 280 300 378 408 412 436 448	1458401494298
SPT(16)	2667569160266650397	0 6 42 62 86 140 150 156 176 182 192 246 270 290 326 332	1703878193694
STPT(10)	2667569186598250349	0 2 18 20 30 32 42 44 60 62	1730209793646