Prime p₀= 216531881590738997 starts a Symmetric tuple of 14 consecutive primes (SPT).
d_n: 0 20 6 18 42 54 34 98 34 54 42 18 6 20 (?)
a_n: 0 20 26 44 86 140 174 272 306 360 402 420 426 446
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: 446
Found by: marsinph
db: batch=69, k=14, 20 6 18 42 54 34 98

TPT(12)	216531761805893837	0 2 84 86 114 116 132 134 144 146 162 164	-119784845160
SPT(14)	216531811193362993	0 4 40 60 108 118 250 264 396 406 454 474 510 514	-70397376004
SPT(14)	216531846524442469	0 12 28 34 40 42 54 88 100 102 108 114 130 142	-35066296528
SPT(14)	216531878757008627	0 30 36 72 140 156 170 192 206 222 290 326 332 362	-2833730370
SPT(14)	216531880613535349	0 22 48 78 130 148 154 168 174 192 244 274 300 322	-977203648
TPT(12)	216531880887020561	0 2 36 38 78 80 156 158 168 170 258 260	-703718436
SPT(14)	216531883270729043	0 44 78 96 156 176 180 194 198 218 278 296 330 374	1679990046
TPT(12)	216531886642244321	0 2 30 32 36 38 78 80 96 98 126 128	5051505324
TPT(12)	216531889943121029	0 2 30 32 60 62 90 92 102 104 210 212	8352382032
SPT(14)	216531904699652279	0 20 38 50 72 78 108 152 182 188 210 222 240 260	23108913282
TPT(12)	216531906629110547	0 2 72 74 180 182 192 194 234 236 294 296	25038371550