Prime p₀= 2191972324187697803 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 20 18 30 10 42 36 8 16 8 36 42 10 30 18 20 (?)
a_n: 0 20 38 68 78 120 156 164 180 188 224 266 276 306 324 344
All 16 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 344
Found by: [SG-FC] hl
db: batch=81, k=16, 20 18 30 10 42 36 8 16

SPT(16)	2191970713840041709	0 58 70 108 172 198 208 222 238 252 262 288 352 390 402 460	-1610347656094
STPT(10)	2191970785535133269	0 2 18 20 30 32 42 44 60 62	-1538652564534
SPT(18)	2191970929668627847	0 6 10 34 36 54 136 154 160 180 186 204 286 304 306 330 334 340	-1394519069956
STPT(10)	2191970945389985819	0 2 48 50 90 92 132 134 180 182	-1378797711984
STPT(12)	2191971541481535431	0 2 48 50 78 80 90 92 120 122 168 170	-782706162372
SPT(16)	2191971576508052159	0 18 30 32 80 120 134 140 192 198 212 252 300 302 314 332	-747679645644
SPT(16)	2191972449993825503	0 8 20 90 120 146 156 158 186 188 198 224 254 324 336 344	125806127700
SPT(16)	2191972611349784657	0 20 32 66 80 92 206 210 392 396 510 522 536 570 582 602	287162086854
SPT(16)	2191972769431786027	0 42 64 82 112 124 150 156 190 196 222 234 264 282 304 346	445244088224
STPT(10)	2191972862711831621	0 2 36 38 78 80 120 122 156 158	538524133818
SPT(16)	2191972956834929467	0 16 30 66 82 96 106 150 166 210 220 234 250 286 300 316	632647231664