Prime p₀= 2303426945369552699 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 12 30 6 12 18 12 12 18 12 6 30 12 (?)
a_n: 0 12 42 48 60 78 90 102 120 132 138 168 180
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: 180
Found by: Vato
db: batch=81, k=13, 12 30 6 12 18 12

SPT(16)	2303425760269959001	0 18 40 42 46 52 136 150 208 222 306 312 316 318 340 358	-1185099593698
STPT(10)	2303425931680182191	0 2 36 38 78 80 120 122 156 158	-1013689370508
STPT(10)	2303425959727959719	0 2 30 32 120 122 210 212 240 242	-985641592980
TPT(14)	2303426471943346931	0 2 18 20 60 62 96 98 126 128 210 212 240 242	-473426205768
SPT(16)	2303426826218549797	0 10 34 76 90 106 124 156 160 192 210 226 240 282 306 316	-119151002902
STPT(10)	2303426932294620929	0 2 18 20 30 32 42 44 60 62	-13074931770
STPT(10)	2303427010888146917	0 2 42 44 72 74 102 104 144 146	65518594218
SPT(16)	2303427270893299357	0 4 10 16 52 60 102 136 210 244 286 294 330 336 342 346	325523746658
SPT(16)	2303427273181792369	0 10 22 30 40 42 112 120 184 192 262 264 274 282 294 304	327812239670
SPT(16)	2303428206716877283	0 28 30 40 70 130 138 180 196 238 246 306 336 346 348 376	1261347324584
SPT(16)	2303428233732456889	0 10 22 24 34 48 78 84 238 244 274 288 298 300 312 322	1288362904190