Prime p₀= 2217319386873710467 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 124 6 84 2 40 6 38 4 68 4 38 6 40 2 84 6 124 (?)
a_n: 0 124 130 214 216 256 262 300 304 372 376 414 420 460 462 546 552 676
All 18 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 676
Found by: Penguin
db: batch=81, k=18, 124 6 84 2 40 6 38 4 68

STPT(10)	2217317751300232967	0 2 12 14 42 44 72 74 84 86	-1635573477500
SPT(16)	2217318067231202333	0 24 54 74 98 116 168 170 294 296 348 366 390 410 440 464	-1319642508134
SPT(16)	2217318221563133113	0 36 66 76 120 126 190 208 216 234 298 304 348 358 388 424	-1165310577354
SPT(16)	2217318725026213999	0 54 60 94 124 130 142 154 180 192 204 210 240 274 280 334	-661847496468
STPT(10)	2217318977449098737	0 2 30 32 42 44 54 56 84 86	-409424611730
SPT(16)	2217319239802019071	0 28 66 76 78 108 118 130 168 180 190 220 222 232 270 298	-147071691396
STPT(10)	2217320051656098197	0 2 12 14 42 44 72 74 84 86	664782387730
SPT(16)	2217320059000655599	0 60 78 90 102 130 148 180 190 222 240 268 280 292 310 370	672126945132
SPT(16)	2217320188949618303	0 14 18 20 38 90 126 140 144 158 194 246 264 266 270 284	802075907836
SPT(16)	2217320454971557841	0 2 8 36 50 96 218 222 296 300 422 468 482 510 516 518	1068097847374
TPT(14)	2217320682424580519	0 2 12 14 48 50 78 80 90 92 150 152 222 224	1295550870052