Prime p₀= 1521057843791515543 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 16 12 26 22 2 30 12 34 12 30 2 22 26 12 16 (?)
a_n: 0 16 28 54 76 78 108 120 154 166 196 198 220 246 258 274
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: 274
Found by: fzs600
db: batch=78, k=16, 16 12 26 22 2 30 12 34

SPT(16)	1521055709162595517	0 42 52 136 150 172 202 256 300 354 384 406 420 504 514 556	-2134628920026
STPT(10)	1521056013970800407	0 2 60 62 72 74 84 86 144 146	-1829820715136
SPT(16)	1521056984101045619	0 8 18 48 50 72 74 114 158 198 200 222 224 254 264 272	-859690469924
SPT(16)	1521057788207362567	0 12 30 40 54 64 70 82 144 156 162 172 186 196 214 226	-55584152976
SPT(16)	1521057821811826153	0 6 30 34 76 100 108 148 246 286 294 318 360 364 388 394	-21979689390
STPT(10)	1521057828271054889	0 2 12 14 30 32 48 50 60 62	-15520460654
SPT(16)	1521057944427532177	0 6 34 46 94 130 154 186 244 276 300 336 384 396 424 430	100636016634
SPT(16)	1521058484588023193	0 24 38 66 86 116 120 126 158 164 168 198 218 246 260 284	640796507650
STPT(10)	1521058796229730367	0 2 30 32 42 44 54 56 84 86	952438214824
SPT(16)	1521058838451408583	0 10 48 70 78 84 94 148 150 204 214 220 228 250 288 298	994659893040
STPT(10)	1521059306196993839	0 2 48 50 90 92 132 134 180 182	1462405478296