Prime p₀= 1280812748310918419 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 42 8 10 18 2 4 38 42 124 42 38 4 2 18 10 8 42 (?)
a_n: 0 42 50 60 78 80 84 122 164 288 330 368 372 374 392 402 410 452
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: 452
Found by: mikey
db: batch=77, k=18, 42 8 10 18 2 4 38 42 124

STPT(12)	1280811243830383427	0 2 24 26 42 44 162 164 180 182 204 206	-1504480534992
SPT(16)	1280811494145035659	0 4 22 28 42 78 88 112 120 144 154 190 204 210 228 232	-1254165882760
SPT(16)	1280811832840327421	0 2 36 56 78 90 132 222 296 386 428 440 462 482 516 518	-915470590998
SPT(16)	1280812019501199781	0 22 120 136 138 150 166 168 190 192 208 220 222 238 336 358	-728809718638
TPT(14)	1280812105945199627	0 2 42 44 90 92 204 206 270 272 294 296 312 314	-642365718792
SPT(16)	1280812292083670971	0 6 10 22 66 78 150 202 276 328 400 412 456 468 472 478	-456227247448
SPT(16)	1280812891367104013	0 6 20 36 78 98 140 150 266 276 318 338 380 396 410 416	143056185594
STPT(10)	1280813910199270631	0 2 30 32 60 62 90 92 120 122	1161888352212
STPT(10)	1280814014940821477	0 2 30 32 42 44 54 56 84 86	1266629903058
TPT(14)	1280814283630288619	0 2 18 20 42 44 60 62 78 80 102 104 120 122	1535319370200
STPT(14)	1280814283630288619	0 2 18 20 42 44 60 62 78 80 102 104 120 122	1535319370200