Prime p₀= 521121825075595483 starts a Symmetric tuple of 14 consecutive primes (SPT).
d_n: 0 6 18 4 20 16 30 26 30 16 20 4 18 6 (?)
a_n: 0 6 24 28 48 64 94 120 150 166 186 190 208 214
All 14 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 214
Found by: [H]auntjemima
db: batch=71, k=14, 6 18 4 20 16 30 26

SPT(14)	521121719973613051	0 16 18 28 60 96 112 126 142 178 210 220 222 238	-105101982432
SPT(14)	521121724864188913	0 48 78 106 114 124 126 148 150 160 168 196 226 274	-100211406570
SPT(14)	521121735790406147	0 12 26 56 60 90 96 140 146 176 180 210 224 236	-89285189336
SPT(14)	521121756282860633	0 8 108 140 186 206 216 218 228 248 294 326 426 434	-68792734850
SPT(20)	521121773989472221	0 12 16 30 60 82 90 130 132 142 156 166 168 208 216 238 268 282 286 298	-51086123262
SPT(14)	521121822785598043	0 18 60 78 94 168 210 214 256 330 346 364 406 424	-2289997440
SPT(14)	521121827623031347	0 16 30 60 84 130 136 144 150 196 220 250 264 280	2547435864
SPT(14)	521121867019773293	0 108 126 140 164 180 200 204 224 240 264 278 296 404	41944177810
SPT(14)	521121908704002511	0 12 42 52 70 90 96 136 142 162 180 190 220 232	83628407028
SPT(14)	521121915283659119	0 30 80 108 110 138 140 180 182 210 212 240 290 320	90208063636
SPT(16)	521121925320288881	0 30 32 36 72 116 120 138 140 158 162 206 242 246 248 278	100244693398