Prime p₀= 2518380312392011513 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 4 114 56 12 30 22 6 6 14 6 6 22 30 12 56 114 4 (?)
a_n: 0 4 118 174 186 216 238 244 250 264 270 276 298 328 340 396 510 514
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: 514
Found by: RFGuy_KCCO
db: batch=82, k=18, 4 114 56 12 30 22 6 6 14

SPT(16)	2518379420088975869	0 18 32 38 48 98 108 132 290 314 324 374 384 390 404 422	-892303035644
SPT(16)	2518379483102965283	0 18 20 36 44 54 74 138 176 240 260 270 278 294 296 314	-829289046230
STPT(10)	2518379519265039251	0 2 6 8 48 50 90 92 96 98	-793126972262
STPT(10)	2518379864387198489	0 2 18 20 30 32 42 44 60 62	-448004813024
STPT(10)	2518379914758652421	0 2 36 38 78 80 120 122 156 158	-397633359092
TPT(14)	2518380011149404971	0 2 18 20 126 128 216 218 228 230 270 272 288 290	-301242606542
STPT(10)	2518380361149151907	0 2 42 44 72 74 102 104 144 146	48757140394
STPT(10)	2518380502531656821	0 2 36 38 78 80 120 122 156 158	190139645308
SPT(16)	2518380518453050291	0 18 46 66 88 96 108 160 186 238 250 258 280 300 328 346	206061038778
SPT(16)	2518380692592619697	0 44 56 72 86 110 170 212 234 276 336 360 374 390 402 446	380200608184
TPT(14)	2518380992139644657	0 2 54 56 114 116 132 134 180 182 240 242 342 344	679747633144