Prime p₀= 2102171625723372923 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 20 4 2 12 6 4 6 14 58 14 6 4 6 12 2 4 20 (?)
a_n: 0 20 24 26 38 44 48 54 68 126 140 146 150 156 168 170 174 194
All 18 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 194
Found by: hase
db: batch=80, k=18, 20 4 2 12 6 4 6 14 58

SPT(16)	2102169583584423049	0 90 102 112 142 144 154 180 232 258 268 270 300 310 322 412	-2042138949874
SPT(16)	2102169990046739059	0 24 42 52 94 132 142 154 240 252 262 300 342 352 370 394	-1635676633864
SPT(16)	2102170525077120973	0 34 70 90 96 100 114 124 210 220 234 238 244 264 300 334	-1100646251950
STPT(12)	2102171195839389149	0 2 12 14 72 74 138 140 198 200 210 212	-429883983774
STPT(10)	2102171390282512559	0 2 48 50 90 92 132 134 180 182	-235440860364
SPT(16)	2102171491112698913	0 6 14 36 48 120 216 228 266 278 374 446 458 480 488 494	-134610674010
SPT(16)	2102171908606863701	0 6 72 182 192 200 212 266 282 336 348 356 366 476 542 548	282883490778
SPT(16)	2102171952172350511	0 6 88 90 96 160 168 180 208 220 228 292 298 300 382 388	326448977588
STPT(10)	2102172021504361517	0 2 12 14 42 44 72 74 84 86	395780988594
SPT(16)	2102172596824589477	0 2 42 116 182 192 206 210 266 270 284 294 360 434 474 476	971101216554
STPT(10)	2102173000205338397	0 2 30 32 42 44 54 56 84 86	1374481965474