Prime p₀= 166866991740834797 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 14 10 8 42 22 14 12 10 24 194 24 10 12 14 22 42 8 10 14 (?)
a_n: 0 14 24 32 74 96 110 122 132 156 350 374 384 396 410 432 474 482 492 506
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: 506
derived by truncating larger tuple
Found by: stoneageman
db: batch=67, k=20, 14 10 8 42 22 14 12 10 24 194

SPT(14)	166866971442603739	0 28 40 82 88 90 108 112 130 132 138 180 192 220	-20298231058
TPT(12)	166866973848229649	0 2 12 14 120 122 252 254 348 350 408 410	-17892605148
TPT(12)	166866982796277821	0 2 30 32 66 68 78 80 96 98 168 170	-8944556976
SPT(14)	166866985813479401	0 20 36 38 42 66 132 176 242 266 270 272 288 308	-5927355396
SPT(14)	166866991571845651	0 6 28 48 88 102 106 132 136 150 190 210 232 238	-168989146
SPT(22)	166866991740834787	0 10 24 34 42 84 106 120 132 142 166 360 384 394 406 420 442 484 492 502 516 526	-10
SPT(14)	166867009552552271	0 8 26 30 36 48 86 102 140 152 158 162 180 188	17811717474
SPT(14)	166867011269579303	0 78 96 156 194 204 218 246 260 270 308 368 386 464	19528744506
SPT(14)	166867012663194313	0 70 84 96 156 226 240 334 348 418 478 490 504 574	20922359516
SPT(14)	166867014083643383	0 24 44 56 60 68 98 126 156 164 168 180 200 224	22342808586
SPT(14)	166867022829454229	0 14 24 80 90 98 150 188 240 248 258 314 324 338	31088619432
TPT(12)	166867047964164011	0 2 48 50 120 122 156 158 168 170 246 248	56223329214