Prime p₀= 2664460422491259089 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 20 22 26 6 6 10 60 30 38 16 38 30 60 10 6 6 26 22 20 (?)
a_n: 0 20 42 68 74 80 90 150 180 218 234 272 302 362 372 378 384 410 432 452
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: 452
Found by: JayPi
db: batch=82, k=20, 20 22 26 6 6 10 60 30 38 16

SPT(16)	2664458369734355027	0 12 42 54 56 74 86 140 306 360 372 390 392 404 434 446	-2052756904062
STPT(10)	2664458633396015471	0 2 36 38 78 80 120 122 156 158	-1789095243618
SPT(16)	2664458734199773747	0 40 46 52 132 150 166 250 342 426 442 460 540 546 552 592	-1688291485342
STPT(10)	2664459921777520619	0 2 18 20 30 32 42 44 60 62	-500713738470
STPT(10)	2664460239065414057	0 2 30 32 72 74 114 116 144 146	-183425845032
STPT(10)	2664460352882284079	0 2 12 14 30 32 48 50 60 62	-69608975010
STPT(10)	2664460574445356471	0 2 36 38 78 80 120 122 156 158	151954097382
SPT(16)	2664460715050645747	0 42 46 52 112 126 144 186 220 262 280 294 354 360 364 406	292559386658
SPT(16)	2664460783270760389	0 34 42 48 88 144 160 174 178 192 208 264 304 310 318 352	360779501300
SPT(16)	2664460990182294871	0 16 22 28 46 78 102 130 168 196 220 252 270 276 282 298	567691035782
STPT(10)	2664461364786632231	0 2 6 8 18 20 30 32 36 38	942295373142