Prime p₀= 2256820011084090527 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 12 8 72 18 40 14 10 18 54 74 54 18 10 14 40 18 72 8 12 (?)
a_n: 0 12 20 92 110 150 164 174 192 246 320 374 392 402 416 456 474 546 554 566
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: 566
derived by truncating larger tuple
Found by: JayPi
db: batch=81, k=20, 12 8 72 18 40 14 10 18 54 74

STPT(10)	2256817751079572669	0 2 18 20 30 32 42 44 60 62	-2260004517858
STPT(10)	2256817842070387961	0 2 120 122 138 140 156 158 276 278	-2169013702566
STPT(10)	2256818597327296799	0 2 18 20 30 32 42 44 60 62	-1413756793728
TPT(14)	2256819252656634317	0 2 114 116 150 152 210 212 222 224 252 254 264 266	-758427456210
SPT(16)	2256819679854297091	0 48 70 88 150 216 226 262 336 372 382 448 510 528 550 598	-331229793436
SPT(22)	2256820011084090521	0 6 18 26 98 116 156 170 180 198 252 326 380 398 408 422 462 480 552 560 572 578	-6
TPT(14)	2256820151707671437	0 2 30 32 252 254 324 326 354 356 402 404 504 506	140623580910
STPT(10)	2256820317544207157	0 2 30 32 42 44 54 56 84 86	306460116630
SPT(16)	2256820323705937313	0 84 98 140 158 168 176 186 188 198 206 216 234 276 290 374	312621846786
TPT(14)	2256820528829911739	0 2 48 50 60 62 78 80 90 92 120 122 132 134	517745821212
SPT(16)	2256820760727339733	0 16 24 28 58 70 76 168 226 318 324 336 366 370 378 394	749643249206
STPT(10)	2256820876428268259	0 2 48 50 90 92 132 134 180 182	865344177732