Prime p₀= 2697423507547345253 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 6 14 30 16 18 12 14 10 44 10 14 12 18 16 30 14 6 (?)
a_n: 0 6 20 50 66 84 96 110 120 164 174 188 200 218 234 264 278 284
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: 284
Found by: Dirk Broer
db: batch=82, k=18, 6 14 30 16 18 12 14 10 44

STPT(10)	2697421992667837187	0 2 30 32 42 44 54 56 84 86	-1514879508066
STPT(12)	2697422015371084667	0 2 54 56 84 86 120 122 150 152 204 206	-1492176260586
SPT(16)	2697422363876420273	0 8 48 126 158 174 188 216 218 246 260 276 308 386 426 434	-1143670924980
TPT(14)	2697422402426411237	0 2 54 56 90 92 114 116 210 212 240 242 294 296	-1105120934016
TPT(14)	2697422949426941597	0 2 30 32 114 116 210 212 252 254 264 266 294 296	-558120403656
SPT(16)	2697423033746808383	0 14 30 38 78 80 86 108 146 168 174 176 216 224 240 254	-473800536870
SPT(16)	2697424167176060633	0 20 50 56 80 84 104 114 146 156 176 180 204 210 240 260	659628715380
SPT(16)	2697425011124970733	0 28 40 60 106 144 180 210 214 244 280 318 364 384 396 424	1503577625480
STPT(10)	2697425037004044041	0 2 30 32 60 62 90 92 120 122	1529456698788
SPT(16)	2697425269062176909	0 14 42 68 84 110 182 222 260 300 372 398 414 440 468 482	1761514831656
SPT(16)	2697425331242272607	0 42 54 86 96 132 152 174 182 204 224 260 270 302 314 356	1823694927354