Prime p₀= 2569974186929723411 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 18 72 2 48 22 86 4 6 2 6 4 86 22 48 2 72 18 (?)
a_n: 0 18 90 92 140 162 248 252 258 260 266 270 356 378 426 428 500 518
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: 518
Found by: RFGuy_KCCO
db: batch=82, k=18, 18 72 2 48 22 86 4 6 2

SPT(16)	2569971714541166953	0 34 40 70 84 136 166 216 238 288 318 370 384 414 420 454	-2472388556458
SPT(16)	2569971769013304983	0 8 26 38 66 78 84 140 174 230 236 248 276 288 306 314	-2417916418428
SPT(16)	2569972239636704767	0 36 46 60 72 132 172 244 252 324 364 424 436 450 460 496	-1947293018644
SPT(16)	2569973607230955803	0 14 20 30 66 86 120 176 204 260 294 314 350 360 366 380	-579698767608
STPT(10)	2569973615709950081	0 2 30 32 78 80 126 128 156 158	-571219773330
STPT(10)	2569973700175870871	0 2 36 38 78 80 120 122 156 158	-486753852540
SPT(16)	2569974795706379807	0 26 30 104 114 146 174 180 230 236 264 296 306 380 384 410	608776656396
SPT(16)	2569975056972676471	0 28 42 46 96 112 130 132 136 138 156 172 222 226 240 268	870042953060
SPT(16)	2569975100921828407	0 40 64 82 100 106 132 142 174 184 210 216 234 252 276 316	913992104996
TPT(14)	2569975309526659247	0 2 54 56 132 134 234 236 252 254 264 266 330 332	1122596935836
TPT(14)	2569975730753629769	0 2 30 32 42 44 72 74 102 104 132 134 138 140	1543823906358