Prime p₀= 1627621215039152917 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 52 84 18 2 36 40 2 28 14 4 14 28 2 40 36 2 18 84 52 (?)
a_n: 0 52 136 154 156 192 232 234 262 276 280 294 322 324 364 400 402 420 504 556
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: 556
Found by: vanos0512
db: batch=78, k=20, 52 84 18 2 36 40 2 28 14 4

SPT(16)	1627620530796663629	0 50 62 92 140 168 210 218 342 350 392 420 468 498 510 560	-684242489288
SPT(16)	1627620646790362639	0 10 18 28 30 48 60 94 108 142 154 172 174 184 192 202	-568248790278
SPT(16)	1627620657167963893	0 18 24 28 36 40 120 130 144 154 234 238 246 250 256 274	-557871189024
STPT(10)	1627620697774434689	0 2 18 20 30 32 42 44 60 62	-517264718228
SPT(16)	1627621080627294091	0 10 30 42 52 76 96 126 166 196 216 240 250 262 282 292	-134411858826
STPT(10)	1627621185507001187	0 2 24 26 42 44 60 62 84 86	-29532151730
SPT(16)	1627621357310331619	0 4 22 34 42 48 148 150 172 174 274 280 288 300 318 322	142271178702
SPT(16)	1627621388013811763	0 6 18 26 48 56 96 128 156 188 228 236 258 266 278 284	172974658846
STPT(10)	1627621518687123611	0 2 36 38 78 80 120 122 156 158	303647970694
SPT(16)	1627621546834866391	0 30 42 46 96 100 106 142 186 222 228 232 282 286 298 328	331795713474
SPT(16)	1627621661178424433	0 20 90 134 156 170 224 230 294 300 354 368 390 434 504 524	446139271516