Prime p₀= 3031990463506254611 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 6 110 24 70 6 12 12 20 46 20 12 12 6 70 24 110 6 (?)
a_n: 0 6 116 140 210 216 228 240 260 306 326 338 350 356 426 450 560 566
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: 566
Found by: [SG-FC] hl
db: batch=82, k=18, 6 110 24 70 6 12 12 20 46

SPT(16)	3031988848132883543	0 24 48 78 84 116 126 144 230 248 258 290 296 326 350 374	-1615373371068
STPT(10)	3031989329624432117	0 2 42 44 132 134 222 224 264 266	-1133881822494
SPT(16)	3031989592181387351	0 8 26 30 42 48 120 198 230 308 380 386 398 402 420 428	-871324867260
STPT(10)	3031989868244427161	0 2 36 38 78 80 120 122 156 158	-595261827450
SPT(16)	3031989883468251413	0 26 60 66 126 200 264 276 284 296 360 434 494 500 534 560	-580038003198
SPT(16)	3031990345775740303	0 16 54 58 70 76 108 126 148 166 198 204 216 220 258 274	-117730514308
SPT(16)	3031990796995407517	0 46 76 114 210 216 252 322 384 454 490 496 592 630 660 706	333489152906
SPT(16)	3031990898652251227	0 30 60 66 72 90 112 132 154 174 196 214 220 226 256 286	435145996616
TPT(14)	3031990932459133637	0 2 12 14 102 104 150 152 210 212 354 356 564 566	468952879026
STPT(10)	3031991540636251337	0 2 42 44 72 74 102 104 144 146	1077129996726
SPT(16)	3031991619949759531	0 12 30 78 102 126 136 168 250 282 292 316 340 388 406 418	1156443504920