Prime p₀= 2446757977674956567 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 12 2 6 46 18 32 28 2 4 2 28 32 18 46 6 2 12 (?)
a_n: 0 12 14 20 66 84 116 144 146 150 152 180 212 230 276 282 284 296
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: 296
Found by: JayPi
db: batch=82, k=18, 12 2 6 46 18 32 28 2 4

STPT(10)	2446756489942753991	0 2 30 32 60 62 90 92 120 122	-1487732202576
SPT(16)	2446756499241546551	0 42 98 120 126 168 236 308 330 402 470 512 518 540 596 638	-1478433410016
SPT(16)	2446757059754441773	0 10 34 48 76 84 120 124 150 154 190 198 226 240 264 274	-917920514794
SPT(16)	2446757715445656979	0 18 22 28 42 58 112 120 142 150 204 220 234 240 244 262	-262229299588
STPT(10)	2446757803990645961	0 2 6 8 48 50 90 92 96 98	-173684310606
SPT(16)	2446757917384672007	0 6 20 44 50 114 156 162 224 230 272 336 342 366 380 386	-60290284560
SPT(18)	2446757995224452797	0 4 10 16 40 60 94 96 112 114 130 132 166 186 210 216 222 226	17549496230
STPT(10)	2446758266439934157	0 2 42 44 72 74 102 104 144 146	288764977590
STPT(10)	2446758479604180821	0 2 30 32 78 80 126 128 156 158	501929224254
SPT(16)	2446758898278554257	0 60 82 126 150 154 186 202 234 250 282 286 310 354 376 436	920603597690
SPT(16)	2446758982810024499	0 14 30 44 74 80 108 138 140 170 198 204 234 248 264 278	1005135067932