Prime p₀= 2176256351355151817 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 90 14 10 26 12 10 2 16 2 10 12 26 10 14 90 (?)
a_n: 0 90 104 114 140 152 162 164 180 182 192 204 230 240 254 344
All 16 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 344
Found by: Penguin
db: batch=81, k=16, 90 14 10 26 12 10 2 16

STPT(10)	2176254846579084251	0 2 36 38 78 80 120 122 156 158	-1504776067566
SPT(16)	2176255014177365881	0 16 96 100 102 126 162 196 216 250 286 310 312 316 396 412	-1337177785936
SPT(16)	2176255114126409119	0 30 84 100 118 144 154 174 238 258 268 294 312 328 382 412	-1237228742698
SPT(16)	2176255168756632617	0 62 66 80 84 110 134 146 210 222 246 272 276 290 294 356	-1182598519200
SPT(16)	2176255436051113831	0 10 58 72 126 172 198 252 256 310 336 382 436 450 498 508	-915304037986
SPT(16)	2176255823312918069	0 20 60 84 98 164 228 240 242 254 318 384 398 422 462 482	-528042233748
STPT(10)	2176256414245608449	0 2 18 20 30 32 42 44 60 62	62890456632
SPT(16)	2176256488152434663	0 48 50 96 120 128 170 176 210 216 258 266 290 336 338 386	136797282846
SPT(16)	2176256643954115663	0 6 58 120 154 156 160 168 196 204 208 210 244 306 358 364	292598963846
SPT(16)	2176256706661771087	0 72 76 82 96 106 156 202 204 250 300 310 324 330 334 406	355306619270
SPT(16)	2176257058959990623	0 18 66 78 86 126 128 156 170 198 200 240 248 260 308 326	707604838806