Prime p₀= 1938520682074187927 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 36 24 24 20 22 20 16 44 4 44 16 20 22 20 24 24 36 (?)
a_n: 0 36 60 84 104 126 146 162 206 210 254 270 290 312 332 356 380 416
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: 416
Found by: vaughan
db: batch=80, k=18, 36 24 24 20 22 20 16 44 4

SPT(16)	1938519184597105777	0 10 34 52 72 90 112 150 154 192 214 232 252 270 294 304	-1497477082150
STPT(10)	1938519288564722621	0 2 6 8 18 20 30 32 36 38	-1393509465306
SPT(16)	1938519326790295787	0 2 42 74 96 114 140 146 180 186 212 230 252 284 324 326	-1355283892140
SPT(16)	1938519581358485161	0 12 46 60 126 138 148 150 208 210 220 232 298 312 346 358	-1100715702766
SPT(16)	1938520200469873021	0 22 36 42 46 52 66 70 78 82 96 102 106 112 126 148	-481604314906
STPT(10)	1938520628175935117	0 2 30 32 42 44 54 56 84 86	-53898252810
SPT(16)	1938520698973390199	0 68 90 104 132 182 222 252 260 290 330 380 408 422 444 512	16899202272
SPT(16)	1938520737370674559	0 60 78 88 90 102 124 144 148 168 190 202 204 214 232 292	55296486632
SPT(16)	1938520964091383351	0 32 60 80 92 102 120 138 140 158 176 186 198 218 246 278	282017195424
SPT(16)	1938521498198597777	0 54 66 90 132 192 204 216 240 252 264 324 366 390 402 456	816124409850
SPT(16)	1938521642234924423	0 24 50 80 98 108 120 140 144 164 176 186 204 234 260 284	960160736496