Prime p₀= 3091643751421361921 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 12 26 4 24 2 12 16 56 16 12 2 24 4 26 12 (?)
a_n: 0 12 38 42 66 68 80 96 152 168 180 182 206 210 236 248
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: 248
Found by: Dirk Broer
db: batch=83, k=16, 12 26 4 24 2 12 16 56

STPT(10)	3091642654177336871	0 2 6 8 108 110 210 212 216 218	-1097244025050
SPT(16)	3091643016846433591	0 36 100 126 136 138 148 168 178 198 208 210 220 246 310 346	-734574928330
SPT(16)	3091643103595728767	0 26 50 66 116 126 134 156 164 186 194 204 254 270 294 320	-647825633154
STPT(10)	3091643309307481811	0 2 36 38 78 80 120 122 156 158	-442113880110
STPT(10)	3091643614731866609	0 2 48 50 60 62 72 74 120 122	-136689495312
SPT(16)	3091643749560988277	0 32 116 120 132 144 152 162 164 174 182 194 206 210 294 326	-1860373644
SPT(16)	3091644086126194073	0 18 26 30 48 90 114 126 128 140 164 206 224 228 236 254	334704832152
SPT(16)	3091644513035150971	0 12 16 40 42 78 90 100 138 148 160 196 198 222 226 238	761613789050
SPT(16)	3091644531713385017	0 2 6 32 54 60 104 152 174 222 266 272 294 320 324 326	780292023096
SPT(16)	3091644822872556077	0 30 32 44 50 92 96 140 156 200 204 246 252 264 266 296	1071451194156
SPT(13)	3091644868948261961	0 30 60 96 102 126 156 186 210 216 252 282 312	1117526900040