Prime p₀= 1972900345640783011 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 6 12 34 50 10 38 22 50 30 4 30 50 22 38 10 50 34 12 6 (?)
a_n: 0 6 18 52 102 112 150 172 222 252 256 286 336 358 396 406 456 490 502 508
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: 508
derived by truncating larger tuple
Found by: [AF>Amis des Lapins] Phil1966
db: batch=80, k=20, 6 12 34 50 10 38 22 50 30 4

STPT(10)	1972899401231416631	0 2 120 122 138 140 156 158 276 278	-944409366380
STPT(10)	1972899471495026729	0 2 48 50 90 92 132 134 180 182	-874145756282
STPT(10)	1972899553145304629	0 2 18 20 30 32 42 44 60 62	-792495478382
SPT(16)	1972899734346059569	0 10 12 70 94 100 124 130 234 240 264 270 294 352 354 364	-611294723442
TPT(14)	1972899849599669189	0 2 12 14 90 92 108 110 138 140 192 194 288 290	-496041113822
SPT(22)	1972900345640783003	0 8 14 26 60 110 120 158 180 230 260 264 294 344 366 404 414 464 498 510 516 524	-8
SPT(16)	1972901078345806451	0 42 56 62 108 192 296 306 542 552 656 740 786 792 806 848	732705023440
STPT(10)	1972901108032198649	0 2 48 50 90 92 132 134 180 182	762391415638
STPT(10)	1972901129973518111	0 2 48 50 168 170 288 290 336 338	784332735100
SPT(16)	1972901902907501899	0 34 88 100 112 132 142 190 222 270 280 300 312 324 378 412	1557266718888
SPT(16)	1972901921169519631	0 22 76 162 168 180 196 208 210 222 238 250 256 342 396 418	1575528736620
TPT(14)	1972901930960394659	0 2 12 14 108 110 120 122 198 200 210 212 222 224	1585319611648