Prime p₀= 2740275194271340951 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 30 12 4 56 54 52 38 4 128 4 38 52 54 56 4 12 30 (?)
a_n: 0 30 42 46 102 156 208 246 250 378 382 420 472 526 582 586 598 628
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: 628
Found by: JayPi
db: batch=82, k=18, 30 12 4 56 54 52 38 4 128

SPT(16)	2740274235943025689	0 34 70 78 108 144 160 234 298 372 388 424 454 462 498 532	-958328315262
SPT(16)	2740274493225492187	0 4 34 94 112 144 150 210 286 346 352 384 402 462 492 496	-701045848764
TPT(14)	2740274641262149307	0 2 120 122 180 182 294 296 330 332 372 374 420 422	-553009191644
SPT(16)	2740275116670142621	0 22 48 70 76 78 120 126 202 208 250 252 258 280 306 328	-77601198330
TPT(14)	2740275169671881867	0 2 42 44 60 62 114 116 180 182 210 212 282 284	-24599459084
SPT(16)	2740275182401561943	0 8 20 24 80 90 108 140 144 176 194 204 260 264 276 284	-11869779008
STPT(10)	2740275779543637077	0 2 30 32 42 44 54 56 84 86	585272296126
STPT(10)	2740275987441343277	0 2 90 92 132 134 174 176 264 266	793170002326
TPT(14)	2740276123816303199	0 2 12 14 78 80 108 110 138 140 162 164 210 212	929544962248
SPT(16)	2740276192371145061	0 12 30 62 162 188 218 240 320 342 372 398 498 530 548 560	998099804110
SPT(16)	2740276391491844291	0 6 42 50 56 60 86 92 126 132 158 162 168 176 212 218	1197220503340