Prime p₀= 1248276339341926123 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 6 30 12 18 12 30 30 12 18 12 30 6 (?)
a_n: 0 6 36 48 66 78 108 138 150 168 180 210 216
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: 216
Found by: xii5ku
db: batch=77, k=13, 6 30 12 18 12 30

SPT(16)	1248275202046570051	0 22 46 120 142 168 208 228 310 330 370 396 418 492 516 538	-1137295356072
SPT(16)	1248275203759163387	0 20 84 86 96 122 150 192 194 236 264 290 300 302 366 386	-1135582762736
SPT(16)	1248275324571825271	0 16 30 36 96 142 190 196 222 228 276 322 382 388 402 418	-1014770100852
TPT(14)	1248275400366407471	0 2 36 38 60 62 78 80 156 158 186 188 210 212	-938975518652
STPT(10)	1248276020929502231	0 2 6 8 18 20 30 32 36 38	-318412423892
SPT(16)	1248276326303992883	0 44 80 126 134 174 234 240 260 266 326 366 374 420 456 500	-13037933240
SPT(16)	1248276385433311001	0 8 20 48 60 62 92 138 140 186 216 218 230 258 270 278	46091384878
SPT(16)	1248276412043225387	0 12 14 42 56 96 140 170 186 216 260 300 314 342 344 356	72701299264
SPT(16)	1248276613453263439	0 52 64 70 78 82 100 132 310 342 360 364 372 378 390 442	274111337316
STPT(10)	1248276872225808707	0 2 60 62 72 74 84 86 144 146	532883882584
SPT(16)	1248277022711694683	0 24 30 54 66 110 156 158 246 248 294 338 350 374 380 404	683369768560