Prime p₀= 2625223681837579777 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 16 6 18 14 28 24 26 4 44 4 26 24 28 14 18 6 16 (?)
a_n: 0 16 22 40 54 82 106 132 136 180 184 210 234 262 276 294 300 316
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: 316
Found by: Dirk Broer
db: batch=82, k=18, 16 6 18 14 28 24 26 4 44

SPT(16)	2625222429183621103	0 28 48 70 88 96 166 196 300 330 400 408 426 448 468 496	-1252653958674
SPT(16)	2625222533207404547	0 30 36 44 62 92 114 126 140 152 174 204 222 230 236 266	-1148630175230
STPT(10)	2625223023727254659	0 2 42 44 60 62 78 80 120 122	-658110325118
STPT(10)	2625223064546613227	0 2 30 32 72 74 114 116 144 146	-617290966550
SPT(16)	2625223273136237749	0 10 28 52 54 70 82 118 174 210 222 238 240 264 282 292	-408701342028
SPT(16)	2625223335259502119	0 22 24 60 64 72 88 112 150 174 190 198 202 238 240 262	-346578077658
STPT(10)	2625224138987029631	0 2 6 8 18 20 30 32 36 38	457149449854
STPT(10)	2625224339998630397	0 2 30 32 42 44 54 56 84 86	658161050620
STPT(10)	2625224674096738421	0 2 36 38 78 80 120 122 156 158	992259158644
SPT(16)	2625224701154043013	0 48 60 114 130 156 174 216 238 280 298 324 340 394 406 454	1019316463236
STPT(10)	2625225245215169951	0 2 6 8 48 50 90 92 96 98	1563377590174