Prime p₀= 917129073782363471 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 12 6 54 6 24 18 18 24 6 54 6 12 (?)
a_n: 0 12 18 72 78 102 120 138 162 168 222 228 240
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: 240
Found by: Theadalus
db: batch=76, k=13, 12 6 54 6 24 18

SPT(16)	917127977438555429	0 30 60 74 128 150 164 182 210 228 242 264 318 332 362 392	-1096343808042
SPT(18)	917128013540128339	0 10 42 82 130 138 202 210 222 250 262 270 334 342 390 430 462 472	-1060242235132
TPT(14)	917128128305997539	0 2 72 74 138 140 150 152 162 164 222 224 348 350	-945476365932
SPT(16)	917128755935557141	0 30 72 78 88 106 142 168 190 216 252 270 280 286 328 358	-317846806330
STPT(10)	917128811324140697	0 2 42 44 72 74 102 104 144 146	-262458222774
SPT(16)	917129050021498619	0 18 32 42 78 114 140 144 158 162 188 224 260 270 284 302	-23760864852
STPT(10)	917129098913739071	0 2 6 8 48 50 90 92 96 98	25131375600
SPT(16)	917129350443421373	0 26 60 66 74 86 90 126 128 164 168 180 188 194 228 254	276661057902
STPT(10)	917129389495538909	0 2 18 20 30 32 42 44 60 62	315713175438
STPT(10)	917129568852966419	0 2 18 20 30 32 42 44 60 62	495070602948
STPT(10)	917129747745863537	0 2 54 56 72 74 90 92 144 146	673963500066