Prime p₀= 2031119494094761621 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 46 60 20 24 10 6 12 54 44 54 12 6 10 24 20 60 46 (?)
a_n: 0 46 106 126 150 160 166 178 232 276 330 342 348 358 382 402 462 508
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: 508
Found by: conf [MM]
db: batch=80, k=18, 46 60 20 24 10 6 12 54 44

TPT(14)	2031117626269242461	0 2 60 62 228 230 276 278 366 368 408 410 450 452	-1867825519160
SPT(16)	2031118023359361017	0 42 50 116 134 144 170 174 182 186 212 222 240 306 314 356	-1470735400604
SPT(16)	2031118085033003597	0 50 126 140 170 200 242 252 254 264 306 336 366 380 456 506	-1409061758024
SPT(16)	2031118284229251377	0 2 54 122 144 164 206 210 266 270 312 332 354 422 474 476	-1209865510244
SPT(16)	2031118611723588857	0 56 84 116 126 150 164 176 210 222 236 260 270 302 330 386	-882371172764
STPT(10)	2031118868559972647	0 2 30 32 42 44 54 56 84 86	-625534788974
TPT(16)	2031119995325224367	0 2 12 14 42 44 54 56 144 146 174 176 222 224 252 254	501230462746
SPT(16)	2031120027065873083	0 30 60 88 96 114 148 198 256 306 340 358 366 394 424 454	532971111462
SPT(16)	2031120047008963217	0 32 66 74 102 114 116 132 164 180 182 194 222 230 264 296	552914201596
SPT(16)	2031121049367171787	0 34 36 42 70 120 160 166 210 216 256 306 334 340 342 376	1555272410166
SPT(16)	2031121674647575417	0 4 10 34 42 64 102 150 256 304 342 364 372 396 402 406	2180552813796