Prime p₀= 19377512597300093 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 8 6 54 16 6 36 18 6 68 58 68 6 18 36 6 16 54 6 8 (?)
a_n: 0 8 14 68 84 90 126 144 150 218 276 344 350 368 404 410 426 480 486 494
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: 494
Found by: Egon olsen
db: batch=62, k=20, 8 6 54 16 6 36 18 6 68 58

SPT(14)	19377461565471809	0 38 50 60 72 78 98 144 164 170 182 192 204 242	-51031828284
SPT(14)	19377461796285223	0 10 36 78 88 100 126 130 156 168 178 220 246 256	-50801014870
SPT(14)	19377466222113073	0 28 40 48 54 70 76 78 84 100 106 114 126 154	-46375187020
TPT(12)	19377477639142781	0 2 6 8 30 32 96 98 186 188 198 200	-34958157312
SPT(14)	19377482995436099	0 32 44 78 114 134 158 174 198 218 254 288 300 332	-29601863994
SPT(14)	19377484611080333	0 30 38 96 126 140 170 234 264 278 308 366 374 404	-27986219760
TPT(12)	19377520227073427	0 2 12 14 72 74 84 86 150 152 210 212	7629773334
STPT(10)	19377525986832161	0 2 36 38 78 80 120 122 156 158	13389532068
STPT(10)	19377528428755967	0 2 30 32 42 44 54 56 84 86	15831455874
SPT(14)	19377530792084429	0 20 32 44 48 84 90 182 188 224 228 240 252 272	18194784336
SPT(14)	19377531324122129	0 8 14 20 78 90 98 210 218 230 288 294 300 308	18726822036