Prime p₀= 1617460295759432653 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 28 50 40 12 44 10 20 52 44 64 44 52 20 10 44 12 40 50 28 (?)
a_n: 0 28 78 118 130 174 184 204 256 300 364 408 460 480 490 534 546 586 636 664
All 20 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 664
derived by truncating larger tuple
Found by: Theadalus
db: batch=78, k=20, 28 50 40 12 44 10 20 52 44 64

SPT(16)	1617459466917937619	0 8 48 114 152 188 212 218 264 270 294 330 368 434 474 482	-828841495034
STPT(10)	1617459731310620147	0 2 30 32 42 44 54 56 84 86	-564448812506
TPT(14)	1617460095232331879	0 2 72 74 222 224 258 260 312 314 378 380 390 392	-200527100774
STPT(10)	1617460185568590017	0 2 30 32 72 74 114 116 144 146	-110190842636
SPT(18)	1617460208495968261	0 22 28 42 46 66 76 88 102 196 210 222 232 252 256 270 276 298	-87263464392
SPT(22)	1617460295759432627	0 26 54 104 144 156 200 210 230 282 326 390 434 486 506 516 560 572 612 662 690 716	-26
STPT(10)	1617460323026744891	0 2 30 32 78 80 126 128 156 158	27267312238
SPT(16)	1617460355811379193	0 38 74 78 104 126 176 188 246 258 308 330 356 360 396 434	60051946540
STPT(10)	1617460562620078871	0 2 30 32 60 62 90 92 120 122	266860646218
TPT(14)	1617460669503708539	0 2 12 14 30 32 102 104 168 170 180 182 198 200	373744275886
SPT(16)	1617460769018643559	0 40 48 54 82 108 112 202 240 330 334 360 388 394 402 442	473259210906
STPT(10)	1617460864712573057	0 2 60 62 72 74 84 86 144 146	568953140404