Prime p₀= 740445167067309461 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 30 12 30 30 30 18 18 30 30 30 12 30 (?)
a_n: 0 30 42 72 102 132 150 168 198 228 258 270 300
All 13 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 300
Found by: Theadalus
db: batch=73, k=13, 30 12 30 30 30 18

SPT(16)	740443804337589283	0 28 84 138 144 150 204 214 270 280 334 340 346 400 456 484	-1362729720178
SPT(16)	740444218661635109	0 30 98 122 174 182 198 234 248 284 300 308 360 384 452 482	-948405674352
SPT(16)	740444328570400943	0 26 140 180 210 230 236 276 308 348 354 374 404 444 558 584	-838496908518
STPT(10)	740444876474328869	0 2 18 20 30 32 42 44 60 62	-290592980592
STPT(10)	740444999131795229	0 2 18 20 30 32 42 44 60 62	-167935514232
SPT(16)	740445029143775503	0 160 246 256 276 286 298 346 378 426 438 448 468 478 564 724	-137923533958
SPT(16)	740445487102594127	0 32 50 66 86 92 240 242 330 332 480 486 506 522 540 572	320035284666
STPT(10)	740445654466204019	0 2 12 14 90 92 168 170 180 182	487398894558
SPT(16)	740445729556735159	0 90 100 144 154 240 244 300 322 378 382 468 478 522 532 622	562489425698
SPT(16)	740445753872970671	0 32 38 56 66 78 80 92 126 138 140 152 162 180 186 218	586805661210
SPT(16)	740445757356847721	0 26 62 86 110 152 156 180 188 212 216 258 282 306 342 368	590289538260