Prime p₀= 1999474190802891263 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 84 6 18 6 54 6 6 54 6 18 6 84 (?)
a_n: 0 84 90 108 114 168 174 180 234 240 258 264 348
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: 348
Found by: ChUcK
db: batch=80, k=13, 84 6 18 6 54 6

STPT(10)	1999472058090000251	0 2 6 8 18 20 30 32 36 38	-2132712891012
SPT(16)	1999472079113997343	0 4 10 18 36 48 66 118 186 238 256 268 286 294 300 304	-2111688893920
STPT(10)	1999472511372943331	0 2 6 8 48 50 90 92 96 98	-1679429947932
SPT(16)	1999472568583214821	0 78 108 132 196 208 210 258 280 328 330 342 406 430 460 538	-1622219676442
SPT(16)	1999473180046488721	0 18 28 46 60 120 138 172 186 220 238 298 312 330 340 358	-1010756402542
SPT(16)	1999474044785525899	0 28 34 82 112 132 184 204 238 258 310 330 360 408 414 442	-146017365364
SPT(16)	1999474569851761313	0 56 78 80 90 108 126 146 240 260 278 296 306 308 330 386	379048870050
STPT(10)	1999474643456304197	0 2 30 32 42 44 54 56 84 86	452653412934
STPT(10)	1999474648286633429	0 2 18 20 30 32 42 44 60 62	457483742166
SPT(16)	1999474648921805021	0 38 68 98 108 152 192 218 282 308 348 392 402 432 462 500	458118913758
STPT(10)	1999474767685064669	0 2 18 20 30 32 42 44 60 62	576882173406