Prime p₀= 881294430875113457 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 2 12 40 68 4 38 36 10 26 34 26 10 36 38 4 68 40 12 2 (?)
a_n: 0 2 14 54 122 126 164 200 210 236 270 296 306 342 380 384 452 492 504 506
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: Rhodan71
db: batch=73, k=20, 2 12 40 68 4 38 36 10 26 34

SPT(16)	881293672160585561	0 20 108 122 128 138 180 216 272 308 350 360 366 380 468 488	-758714527896
STPT(10)	881293679827391429	0 2 18 20 30 32 42 44 60 62	-751047722028
TPT(14)	881293896093151127	0 2 12 14 30 32 54 56 144 146 210 212 240 242	-534781962330
STPT(10)	881294147378002427	0 2 24 26 42 44 60 62 84 86	-283497111030
SPT(16)	881294174876276573	0 18 20 68 110 140 200 206 210 216 276 306 348 396 398 416	-255998836884
SPT(22)	881294430875113433	0 24 26 38 78 146 150 188 224 234 260 294 320 330 366 404 408 476 516 528 530 554	-24
SPT(16)	881294684043588401	0 12 56 60 80 116 138 152 156 170 192 228 248 252 296 308	253168474944
SPT(16)	881294686233296557	0 4 24 60 76 144 154 160 270 276 286 354 370 406 426 430	255358183100
STPT(10)	881294911698100811	0 2 6 8 18 20 30 32 36 38	480822987354
STPT(12)	881294982920511659	0 2 12 14 42 44 78 80 108 110 120 122	552045398202
TPT(14)	881295274661954837	0 2 42 44 102 104 114 116 144 146 150 152 180 182	843786841380
SPT(16)	881295350816524447	0 24 42 52 94 114 144 154 240 250 280 300 342 352 370 394	919941410990