Prime p₀= 2239374318570897493 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 24 42 10 12 36 2 4 14 226 14 4 2 36 12 10 42 24 (?)
a_n: 0 24 66 76 88 124 126 130 144 370 384 388 390 426 438 448 490 514
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: 514
Found by: Penguin
db: batch=81, k=18, 24 42 10 12 36 2 4 14 226

SPT(16)	2239370573906579279	0 20 38 50 62 84 92 108 134 150 158 180 192 204 222 242	-3744664318214
TPT(14)	2239371505835287247	0 2 54 56 72 74 90 92 240 242 270 272 312 314	-2812735610246
SPT(16)	2239372439500993673	0 6 56 66 134 144 164 170 204 210 230 240 308 318 368 374	-1879069903820
STPT(10)	2239372527476007527	0 2 84 86 162 164 240 242 324 326	-1791094889966
STPT(10)	2239373002445212721	0 2 6 8 48 50 90 92 96 98	-1316125684772
SPT(16)	2239373729753264809	0 48 78 108 118 150 154 202 210 258 262 294 304 334 364 412	-588817632684
SPT(16)	2239374493155656807	0 14 20 26 42 62 66 96 140 170 174 194 210 216 222 236	174584759314
STPT(10)	2239374592272780647	0 2 24 26 42 44 60 62 84 86	273701883154
STPT(10)	2239374809203722887	0 2 30 32 72 74 114 116 144 146	490632825394
SPT(16)	2239374877352266169	0 32 54 62 74 84 140 164 168 192 248 258 270 278 300 332	558781368676
STPT(10)	2239375764350544299	0 2 18 20 30 32 42 44 60 62	1445779646806