Prime p₀= 1484528631315188021 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 8 70 2 48 12 16 26 10 74 10 26 16 12 48 2 70 8 (?)
a_n: 0 8 78 80 128 140 156 182 192 266 276 302 318 330 378 380 450 458
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: 458
Found by: Theadalus
db: batch=78, k=18, 8 70 2 48 12 16 26 10 74

STPT(10)	1484527116505388237	0 2 60 62 72 74 84 86 144 146	-1514809799784
SPT(16)	1484528282049594361	0 6 16 60 76 100 126 138 160 172 198 222 238 282 292 298	-349265593660
STPT(10)	1484528413599360527	0 2 30 32 72 74 114 116 144 146	-217715827494
STPT(10)	1484528430378804047	0 2 30 32 42 44 54 56 84 86	-200936383974
STPT(10)	1484528448523111487	0 2 12 14 42 44 72 74 84 86	-182792076534
SPT(16)	1484528527360010971	0 82 102 126 172 226 282 312 376 406 462 516 562 586 606 688	-103955177050
STPT(10)	1484529083130411221	0 2 36 38 78 80 120 122 156 158	451815223200
SPT(16)	1484529085095384941	0 20 30 78 90 156 158 186 242 270 272 338 350 398 408 428	453780196920
SPT(16)	1484529343785947747	0 30 80 140 156 204 222 254 402 434 452 500 516 576 626 656	712470759726
SPT(16)	1484529674518026923	0 44 78 90 98 108 114 120 134 140 146 156 164 176 210 254	1043202838902
SPT(16)	1484529729745050349	0 4 40 54 58 84 100 114 238 252 268 294 298 312 348 352	1098429862328