Prime p₀= 928602885485193697 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 6 46 8 4 20 36 16 24 26 24 16 36 20 4 8 46 6 (?)
a_n: 0 6 52 60 64 84 120 136 160 186 210 226 262 282 286 294 340 346
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: 346
Found by: Alnitak2019
db: batch=76, k=18, 6 46 8 4 20 36 16 24 26

SPT(16)	928601569416864313	0 18 24 36 40 64 70 78 136 144 150 174 178 190 196 214	-1316068329384
TPT(14)	928601578945877381	0 2 18 20 30 32 96 98 108 110 186 188 336 338	-1306539316316
SPT(16)	928602004126383761	0 12 20 38 42 66 80 108 140 168 182 206 210 228 236 248	-881358809936
SPT(16)	928602152195945477	0 54 60 74 104 122 132 152 174 194 204 222 252 266 272 326	-733289248220
STPT(10)	928602520822064981	0 2 6 8 48 50 90 92 96 98	-364663128716
SPT(16)	928602607711109579	0 42 62 72 122 140 150 174 188 212 222 240 290 300 320 362	-277774084118
SPT(16)	928603022812918459	0 28 30 48 88 132 142 174 208 240 250 294 334 352 354 382	137327724762
SPT(16)	928603075858454791	0 60 70 72 88 148 172 238 240 306 330 390 406 408 418 478	190373261094
SPT(16)	928603350601445881	0 46 48 162 186 202 222 252 256 286 306 322 346 460 462 508	465116252184
STPT(10)	928603442341653107	0 2 30 32 42 44 54 56 84 86	556856459410
SPT(16)	928603509169219951	0 28 126 132 226 238 240 256 312 328 330 342 436 442 540 568	623684026254