Prime p₀= 1222490277348362453 starts a Symmetric tuple of 16 consecutive primes (SPT).
d_n: 0 18 98 10 8 6 54 6 4 6 54 6 8 10 98 18 (?)
a_n: 0 18 116 126 134 140 194 200 204 210 264 270 278 288 386 404
All 16 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 404
Found by: Megacruncher
db: batch=77, k=16, 18 98 10 8 6 54 6 4

STPT(10)	1222489410812776817	0 2 12 14 42 44 72 74 84 86	-866535585636
STPT(10)	1222489424489403911	0 2 36 38 78 80 120 122 156 158	-852858958542
STPT(10)	1222489578674391101	0 2 6 8 48 50 90 92 96 98	-698673971352
SPT(16)	1222489878540885937	0 16 34 76 160 184 234 262 324 352 402 426 510 552 570 586	-398807476516
STPT(10)	1222489948961030801	0 2 6 8 18 20 30 32 36 38	-328387331652
SPT(16)	1222490021395153351	0 10 16 42 58 102 126 148 150 172 196 240 256 282 288 298	-255953209102
SPT(16)	1222490315823665387	0 14 30 36 72 116 144 176 240 272 300 344 380 386 402 416	38475302934
SPT(16)	1222490497028134379	0 2 30 48 132 170 188 218 294 324 342 380 464 482 510 512	219679771926
SPT(16)	1222490873003977337	0 12 14 50 62 104 134 150 164 180 210 252 264 300 302 314	595655614884
STPT(10)	1222491119795684327	0 2 30 32 42 44 54 56 84 86	842447321874
STPT(10)	1222491564226862087	0 2 12 14 72 74 132 134 144 146	1286878499634