Prime p₀= 1998403311809388499 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 54 10 14 22 24 74 6 10 6 74 24 22 14 10 54 (?)
a_n: 0 54 64 78 100 124 198 204 214 220 294 318 340 354 364 418
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: 418
Found by: Dingo
db: batch=80, k=16, 54 10 14 22 24 74 6 10

STPT(10)	1998401683680535949	0 2 12 14 30 32 48 50 60 62	-1628128852550
STPT(12)	1998401700156830909	0 2 12 14 42 44 48 50 78 80 90 92	-1611652557590
SPT(16)	1998402422686164571	0 16 18 46 72 88 90 118 150 178 180 196 222 250 252 268	-889123223928
SPT(16)	1998402461474176469	0 18 32 78 98 132 140 150 200 210 218 252 272 318 332 350	-850335212030
SPT(16)	1998402968724818179	0 28 60 132 138 142 168 174 208 214 240 244 250 322 354 382	-343084570320
TPT(14)	1998403005125047529	0 2 30 32 72 74 138 140 180 182 288 290 348 350	-306684340970
SPT(16)	1998403443749795189	0 84 90 144 158 170 200 240 242 282 312 324 338 392 398 482	131940406690
STPT(10)	1998403675045872011	0 2 30 32 78 80 126 128 156 158	363236483512
TPT(14)	1998403802512291787	0 2 42 44 84 86 270 272 312 314 384 386 390 392	490702903288
SPT(16)	1998404063576372701	0 82 88 120 130 156 186 222 256 292 322 348 358 390 396 478	751766984202
TPT(14)	1998404119235112557	0 2 12 14 24 26 42 44 150 152 174 176 180 182	807425724058