Prime p₀= 2235397150903613339 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 38 22 8 76 44 6 6 52 38 52 6 6 44 76 8 22 38 (?)
a_n: 0 38 60 68 144 188 194 200 252 290 342 348 354 398 474 482 504 542
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: 542
Found by: Penguin
db: batch=81, k=18, 38 22 8 76 44 6 6 52 38

TPT(14)	2235394845135632237	0 2 12 14 30 32 114 116 210 212 222 224 252 254	-2305767981102
SPT(16)	2235396162497397643	0 6 58 108 156 210 216 240 256 280 286 340 388 438 490 496	-988406215696
STPT(10)	2235396276303626897	0 2 24 26 42 44 60 62 84 86	-874599986442
SPT(16)	2235396564040247603	0 14 20 78 90 134 144 164 210 230 240 284 296 354 360 374	-586863365736
SPT(16)	2235396711029930753	0 6 48 56 74 104 110 134 180 204 210 240 258 266 308 314	-439873682586
SPT(16)	2235396866544171251	0 12 20 32 36 42 60 62 96 98 116 122 126 138 146 158	-284359442088
TPT(14)	2235397312291545419	0 2 12 14 78 80 90 92 108 110 162 164 180 182	161387932080
STPT(10)	2235397338165492461	0 2 36 38 78 80 120 122 156 158	187261879122
SPT(16)	2235397512931985833	0 28 30 58 78 88 96 120 124 148 156 166 186 214 216 244	362028372494
STPT(10)	2235397910237395877	0 2 30 32 42 44 54 56 84 86	759333782538
SPT(16)	2235398069447907773	0 14 30 44 56 84 90 104 120 134 140 168 180 194 210 224	918544294434