Prime p₀= 2271119662752456053 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 14 12 4 36 30 14 156 18 22 18 156 14 30 36 4 12 14 (?)
a_n: 0 14 26 30 66 96 110 266 284 306 324 480 494 524 560 564 576 590
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: 590
Found by: L@MiR
db: batch=81, k=18, 14 12 4 36 30 14 156 18 22

STPT(10)	2271117463803954497	0 2 30 32 42 44 54 56 84 86	-2198948501556
SPT(16)	2271117651207950047	0 34 42 66 72 76 136 142 144 150 210 214 220 244 252 286	-2011544506006
STPT(10)	2271117960964376351	0 2 36 38 78 80 120 122 156 158	-1701788079702
SPT(13)	2271118175400043427	0 30 72 90 96 126 216 306 336 342 360 402 432	-1487352412626
SPT(16)	2271119386097695229	0 12 18 24 74 92 134 144 308 318 360 378 428 434 440 452	-276654760824
SPT(16)	2271119593586489311	0 12 28 42 52 58 100 198 262 360 402 408 418 432 448 460	-69165966742
SPT(16)	2271119761454105951	0 2 42 120 126 158 188 198 230 240 270 302 308 386 426 428	98701649898
STPT(10)	2271120091648692281	0 2 6 8 48 50 90 92 96 98	428896236228
SPT(16)	2271120497405692943	0 8 20 26 36 48 80 86 90 96 128 140 150 156 168 176	834653236890
STPT(10)	2271120572503389557	0 2 30 32 42 44 54 56 84 86	909750933504
SPT(16)	2271120707668890457	0 6 22 52 72 106 120 130 132 142 156 190 210 240 256 262	1044916434404