Prime p₀= 1147256325894310909 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 18 16 48 8 100 68 40 2 22 2 40 68 100 8 48 16 18 (?)
a_n: 0 18 34 82 90 190 258 298 300 322 324 364 432 532 540 588 604 622
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: 622
Found by: Alnitak2019
db: batch=76, k=18, 18 16 48 8 100 68 40 2 22

SPT(16)	1147253829588757661	0 2 12 30 38 72 78 86 162 170 176 210 218 236 246 248	-2496305553248
SPT(16)	1147253912771190373	0 28 84 120 136 196 240 294 310 364 408 468 484 520 576 604	-2413123120536
STPT(10)	1147253970541783397	0 2 42 44 72 74 102 104 144 146	-2355352527512
SPT(16)	1147254449871209557	0 34 70 94 150 160 216 232 264 280 336 346 402 426 462 496	-1876023101352
STPT(10)	1147254774766281191	0 2 6 8 48 50 90 92 96 98	-1551128029718
SPT(16)	1147255197970670119	0 4 22 24 58 100 102 114 148 160 162 204 238 240 258 262	-1127923640790
TPT(14)	1147256478348231497	0 2 30 32 42 44 162 164 204 206 264 266 294 296	152453920588
TPT(14)	1147256490460029749	0 2 60 62 90 92 120 122 132 134 198 200 228 230	164565718840
SPT(16)	1147256607449269777	0 64 70 96 102 124 204 210 256 262 342 364 370 396 402 466	281554958868
SPT(16)	1147256816818861751	0 48 92 150 168 170 210 228 230 248 288 290 308 366 410 458	490924550842
SPT(16)	1147257203490180373	0 10 66 70 78 100 108 126 148 166 174 196 204 208 264 274	877595869464