Prime p₀= 1275230963030654879 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 18 14 10 30 18 14 6 24 4 24 6 14 18 30 10 14 18 (?)
a_n: 0 18 32 42 72 90 104 110 134 138 162 168 182 200 230 240 254 272
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: 272
Found by: Theadalus
db: batch=77, k=18, 18 14 10 30 18 14 6 24 4

SPT(20)	1275230187796203763	0 4 34 40 46 48 66 78 148 204 220 276 346 358 376 378 384 390 420 424	-775234451116
SPT(16)	1275230321277458719	0 10 18 28 34 40 60 144 154 238 258 264 270 280 288 298	-641753196160
SPT(16)	1275230578988018171	0 12 18 26 32 38 80 110 198 228 270 276 282 290 296 308	-384042636708
SPT(16)	1275230581315982903	0 24 50 78 84 98 120 126 128 134 156 170 176 204 230 254	-381714671976
SPT(16)	1275230583788243123	0 6 38 54 96 98 104 116 138 150 156 158 200 216 248 254	-379242411756
SPT(16)	1275230871760455457	0 24 30 46 66 136 144 150 226 232 240 310 330 346 352 376	-91270199422
STPT(10)	1275231315904783379	0 2 18 20 30 32 42 44 60 62	352874128500
SPT(16)	1275231696260957987	0 12 26 44 80 164 170 180 266 276 282 366 402 420 434 446	733230303108
STPT(10)	1275231906332603897	0 2 12 14 42 44 72 74 84 86	943301949018
SPT(16)	1275232077604739677	0 36 40 66 82 90 106 112 120 126 142 150 166 192 196 232	1114574084798
SPT(16)	1275232079246659279	0 22 30 70 78 118 130 172 228 270 282 322 330 370 378 400	1116216004400