Prime p₀= 2397264246083579231 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 20 10 26 6 4 6 36 8 16 8 36 6 4 6 26 10 20 (?)
a_n: 0 20 30 56 62 66 72 108 116 132 140 176 182 186 192 218 228 248
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: 248
Found by: [SG-2W]Kurzer
db: batch=81, k=18, 20 10 26 6 4 6 36 8 16

TPT(14)	2397263255891603291	0 2 78 80 90 92 96 98 126 128 150 152 318 320	-990191975940
STPT(10)	2397263267421850967	0 2 42 44 72 74 102 104 144 146	-978661728264
SPT(16)	2397263383549959839	0 18 54 68 110 122 144 150 182 188 210 222 264 278 314 332	-862533619392
SPT(13)	2397263705373651053	0 30 60 90 198 216 228 240 258 366 396 426 456	-540709928178
SPT(16)	2397263807095052447	0 66 110 146 180 186 192 210 212 230 236 242 276 312 356 422	-438988526784
STPT(10)	2397263932616080709	0 2 18 20 30 32 42 44 60 62	-313467498522
SPT(16)	2397264435549079367	0 32 50 74 84 146 152 186 260 294 300 362 372 396 414 446	189465500136
SPT(16)	2397264559455969743	0 14 60 116 198 206 228 294 320 386 408 416 498 554 600 614	313372390512
STPT(10)	2397264744341651477	0 2 42 44 72 74 102 104 144 146	498258072246
SPT(16)	2397265315666892117	0 42 62 80 90 132 140 152 264 276 284 326 336 354 374 416	1069583312886
SPT(16)	2397265435553167133	0 30 80 86 108 110 174 180 224 230 294 296 318 324 374 404	1189469587902