Prime p₀= 1222840993237311457 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 42 22 8 22 6 54 8 22 8 54 6 22 8 22 42 (?)
a_n: 0 42 64 72 94 100 154 162 184 192 246 252 274 282 304 346
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: 346
Found by: Megacruncher
db: batch=77, k=16, 42 22 8 22 6 54 8 22

STPT(10)	1222840133627525261	0 2 36 38 78 80 120 122 156 158	-859609786196
SPT(16)	1222840523947234133	0 8 54 86 90 126 138 146 288 296 308 344 348 380 426 434	-469290077324
TPT(14)	1222840526451024317	0 2 42 44 72 74 174 176 264 266 300 302 312 314	-466786287140
SPT(16)	1222840684086182633	0 14 68 84 134 146 168 216 218 266 288 300 350 366 420 434	-309151128824
SPT(16)	1222840769354812669	0 34 40 52 54 90 124 130 132 138 172 208 210 222 228 262	-223882498788
TPT(14)	1222840843203577391	0 2 6 8 96 98 138 140 276 278 300 302 330 332	-150033734066
STPT(12)	1222841090893532597	0 2 42 44 60 62 84 86 102 104 144 146	97656221140
SPT(16)	1222841377176598507	0 30 60 70 72 96 102 126 130 154 160 184 186 196 226 256	383939287050
STPT(12)	1222841589029916551	0 2 36 38 48 50 78 80 90 92 126 128	595792605094
SPT(16)	1222841599837746899	0 8 30 54 80 98 108 114 134 140 150 168 194 218 240 248	606600435442
SPT(16)	1222841632446184943	0 44 80 86 114 126 150 156 188 194 218 230 258 264 300 344	639208873486