Prime p₀= 2471658053714766251 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 12 26 42 30 16 24 2 100 14 100 2 24 16 30 42 26 12 (?)
a_n: 0 12 38 80 110 126 150 152 252 266 366 368 392 408 438 480 506 518
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: 518
Found by: JayPi
db: batch=82, k=18, 12 26 42 30 16 24 2 100 14

SPT(16)	2471655588558351007	0 30 54 112 126 142 172 186 190 204 234 250 264 322 346 376	-2465156415244
STPT(10)	2471656029793870847	0 2 12 14 72 74 132 134 144 146	-2023920895404
STPT(10)	2471657280349127447	0 2 54 56 132 134 210 212 264 266	-773365638804
SPT(16)	2471657373916533613	0 6 46 66 84 108 118 126 178 186 196 220 238 258 298 304	-679798232638
STPT(10)	2471657682756530687	0 2 12 14 42 44 72 74 84 86	-370958235564
SPT(16)	2471657767467519767	0 6 42 86 90 96 156 224 252 320 380 386 390 434 470 476	-286247246484
STPT(10)	2471658184324587299	0 2 18 20 30 32 42 44 60 62	130609821048
STPT(10)	2471658462912201929	0 2 42 44 60 62 78 80 120 122	409197435678
SPT(16)	2471658468052323239	0 60 68 114 144 170 198 200 252 254 282 308 338 384 392 452	414337556988
SPT(16)	2471658738928531099	0 48 70 72 78 112 132 138 142 148 168 202 208 210 232 280	685213764848
SPT(16)	2471658761334317381	0 32 38 60 126 140 150 212 276 338 348 362 428 450 456 488	707619551130