Prime p₀= 2571956909328288589 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 52 98 12 10 68 12 16 26 4 26 16 12 68 10 12 98 52 (?)
a_n: 0 52 150 162 172 240 252 268 294 298 324 340 352 420 430 442 540 592
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: 592
Found by: JayPi
db: batch=82, k=18, 52 98 12 10 68 12 16 26 4

SPT(16)	2571955270710732847	0 10 40 52 142 162 184 240 244 300 322 342 432 444 474 484	-1638617555742
SPT(16)	2571955272267185639	0 14 24 42 48 98 162 164 168 170 234 284 290 308 318 332	-1637061102950
SPT(16)	2571955669585025407	0 4 22 36 66 106 126 186 220 280 300 340 370 384 402 406	-1239743263182
SPT(16)	2571955679617441571	0 2 6 18 20 102 126 156 212 242 266 348 350 362 366 368	-1229710847018
SPT(16)	2571955904505870383	0 26 30 68 114 116 128 146 168 186 198 200 246 284 288 314	-1004822418206
SPT(16)	2571956731131617257	0 16 36 106 112 120 142 154 192 204 226 234 240 310 330 346	-178196671332
SPT(16)	2571957314460613663	0 28 30 48 64 154 174 178 180 184 204 294 310 328 330 358	405132325074
SPT(16)	2571957437287708409	0 30 38 102 150 162 170 200 300 330 338 350 398 462 470 500	527959419820
SPT(16)	2571957538936972793	0 36 80 84 120 126 138 150 164 176 188 194 230 234 278 314	629608684204
SPT(16)	2571957540573410389	0 12 30 54 82 142 192 220 252 280 330 390 418 442 460 472	631245121800
STPT(10)	2571958018232926577	0 2 42 44 72 74 102 104 144 146	1108904637988