Prime p₀= 748675420937875657 starts a Symmetric tuple of 13 consecutive primes (SPT).
d_n: 0 30 6 30 18 6 30 30 6 18 30 6 30 (?)
a_n: 0 30 36 66 84 90 120 150 156 174 204 210 240
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: Frank [NT]
db: batch=73, k=13, 30 6 30 18 6 30

SPT(16)	748674598357450223	0 20 60 114 128 138 140 156 158 174 176 186 200 254 294 314	-822580425434
SPT(16)	748674717976094947	0 6 220 226 244 252 294 316 330 352 394 402 420 426 640 646	-702961780710
STPT(12)	748675046704493639	0 2 90 92 108 110 150 152 168 170 258 260	-374233382018
SPT(16)	748675071797599481	0 6 30 36 38 108 146 168 170 192 230 300 302 308 332 338	-349140276176
SPT(16)	748675169671979261	0 26 32 56 110 132 150 158 210 218 236 258 312 336 342 368	-251265896396
STPT(10)	748675418454545117	0 2 30 32 42 44 54 56 84 86	-2483330540
SPT(16)	748675856494029991	0 42 66 70 76 102 106 120 142 156 160 186 192 196 220 262	435556154334
SPT(16)	748675892651588777	0 2 14 30 44 54 96 116 120 140 182 192 206 222 234 236	471713713120
STPT(10)	748675897167073121	0 2 96 98 138 140 180 182 276 278	476229197464
SPT(16)	748676096448704773	0 6 34 40 48 60 88 100 114 126 154 166 174 180 208 214	675510829116
SPT(16)	748676176324846769	0 18 20 44 60 84 98 102 110 114 128 152 168 192 194 212	755386971112