Prime p₀= 2449766634643790123 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 26 22 6 44 12 4 20 12 22 12 20 4 12 44 6 22 26 (?)
a_n: 0 26 48 54 98 110 114 134 146 168 180 200 204 216 260 266 288 314
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: 314
Found by: JayPi
db: batch=82, k=18, 26 22 6 44 12 4 20 12 22

SPT(16)	2449764903046062289	0 22 28 34 88 90 94 130 132 168 172 174 228 234 240 262	-1731597727834
STPT(10)	2449765547839834319	0 2 18 20 30 32 42 44 60 62	-1086803955804
STPT(10)	2449765660491997457	0 2 30 32 42 44 54 56 84 86	-974151792666
STPT(10)	2449766040540255467	0 2 30 32 60 62 90 92 120 122	-594103534656
TPT(14)	2449766265851069567	0 2 42 44 54 56 84 86 132 134 150 152 204 206	-368792720556
STPT(10)	2449766590848017261	0 2 6 8 18 20 30 32 36 38	-43795772862
SPT(16)	2449767211082318033	0 8 14 74 126 140 144 186 218 260 264 278 330 390 396 404	576438527910
STPT(10)	2449767331481883107	0 2 60 62 102 104 144 146 204 206	696838092984
STPT(10)	2449767404788830317	0 2 42 44 72 74 102 104 144 146	770145040194
SPT(16)	2449768133684079073	0 6 24 48 78 130 144 196 228 280 294 346 376 400 418 424	1499040288950
SPT(16)	2449768134999815881	0 18 42 58 60 72 130 132 136 138 196 208 210 226 250 268	1500356025758