Prime p₀= 2100857140902910603 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 16 14 48 36 6 28 62 40 74 40 62 28 6 36 48 14 16 (?)
a_n: 0 16 30 78 114 120 148 210 250 324 364 426 454 460 496 544 558 574
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: 574
Found by: Dingo
db: batch=80, k=18, 16 14 48 36 6 28 62 40 74

SPT(18)	2100855534275952011	0 20 26 32 50 78 116 132 138 440 446 462 500 528 546 552 558 578	-1606626958592
STPT(10)	2100856254482574731	0 2 6 8 18 20 30 32 36 38	-886420335872
STPT(10)	2100856366331142281	0 2 36 38 78 80 120 122 156 158	-774571768322
SPT(16)	2100856392420121177	0 6 24 34 46 100 102 210 286 394 396 450 462 472 490 496	-748482789426
SPT(16)	2100856680803400307	0 60 102 126 130 160 172 196 300 324 336 366 370 394 436 496	-460099510296
SPT(16)	2100856721855399269	0 34 112 114 130 150 192 198 214 220 262 282 298 300 378 412	-419047511334
SPT(16)	2100857357426192273	0 56 90 150 156 164 194 254 276 336 366 374 380 440 474 530	216523281670
STPT(10)	2100857425154698919	0 2 42 44 60 62 78 80 120 122	284251788316
SPT(16)	2100857706582311731	0 10 48 96 112 150 160 222 286 348 358 396 412 460 498 508	565679401128
STPT(10)	2100857749563095189	0 2 18 20 60 62 102 104 120 122	608660184586
STPT(10)	2100858257937583811	0 2 6 8 18 20 30 32 36 38	1117034673208