Prime p₀= 956259258674614217 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 60 12 20 10 12 26 12 70 2 70 12 26 12 10 20 12 60 (?)
a_n: 0 60 72 92 102 114 140 152 222 224 294 306 332 344 354 374 386 446
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: 446
Found by: Theadalus
db: batch=76, k=18, 60 12 20 10 12 26 12 70 2

SPT(20)	956257240688402903	0 48 50 56 60 98 186 216 224 284 360 420 428 458 546 584 588 594 596 644	-2017986211314
SPT(16)	956257793513501623	0 4 28 34 46 70 84 130 204 250 264 288 300 306 330 334	-1465161112594
SPT(16)	956258068588425833	0 26 48 104 138 140 150 198 266 314 324 326 360 416 438 464	-1190086188384
TPT(14)	956258100431204357	0 2 42 44 54 56 120 122 132 134 150 152 180 182	-1158243409860
SPT(16)	956258204586024863	0 26 90 96 98 144 188 200 294 306 350 396 398 404 468 494	-1054088589354
STPT(10)	956258378696038181	0 2 30 32 78 80 126 128 156 158	-879978576036
SPT(16)	956259530374111267	0 52 72 94 142 154 184 240 244 300 330 342 390 412 432 484	271699497050
SPT(16)	956259552732769591	0 70 78 138 148 160 186 190 228 232 258 270 280 340 348 418	294058155374
STPT(10)	956259678885839441	0 2 36 38 78 80 120 122 156 158	420211225224
STPT(10)	956259799472011301	0 2 36 38 78 80 120 122 156 158	540797397084
STPT(10)	956260172889571577	0 2 30 32 42 44 54 56 84 86	914214957360