Prime p₀= 2215360114659865279 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 12 46 6 20 10 26 4 18 8 18 4 26 10 20 6 46 12 (?)
a_n: 0 12 58 64 84 94 120 124 142 150 168 172 198 208 228 234 280 292
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: 292
Found by: Penguin
db: batch=81, k=18, 12 46 6 20 10 26 4 18 8

SPT(16)	2215358810098029247	0 12 22 36 42 64 84 120 256 292 312 334 340 354 364 376	-1304561836032
STPT(10)	2215359341578018421	0 2 30 32 60 62 90 92 120 122	-773081846858
SPT(16)	2215359456196216423	0 4 16 34 58 60 108 118 126 136 184 186 210 228 240 244	-658463648856
STPT(10)	2215359473414315411	0 2 78 80 138 140 198 200 276 278	-641245549868
SPT(16)	2215359755239617647	0 30 42 66 86 134 140 194 222 276 282 330 350 374 386 416	-359420247632
SPT(16)	2215359868870651367	0 2 42 54 186 210 216 236 300 320 326 350 482 494 534 536	-245789213912
STPT(10)	2215360497966714149	0 2 42 44 60 62 78 80 120 122	383306848870
SPT(16)	2215360550622163313	0 18 50 146 176 230 248 270 374 396 414 468 498 594 626 644	435962298034
TPT(14)	2215360820903414939	0 2 18 20 30 32 102 104 138 140 150 152 210 212	706243549660
SPT(16)	2215360887382811431	0 16 28 40 90 106 142 156 172 186 222 238 288 300 312 328	772722946152
SPT(16)	2215360993135542677	0 14 20 42 104 152 200 216 320 336 384 432 494 516 522 536	878475677398