Prime p₀= 2270384013650046361 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 22 6 2 16 2 24 16 44 64 44 16 24 2 16 2 6 22 (?)
a_n: 0 22 28 30 46 48 72 88 132 196 240 256 280 282 298 300 306 328
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: 328
Found by: Landjunge
db: batch=81, k=18, 22 6 2 16 2 24 16 44 64

SPT(16)	2270382838545830009	0 14 18 30 60 68 74 80 198 204 210 218 248 260 264 278	-1175104216352
STPT(10)	2270382874706370209	0 2 42 44 120 122 198 200 240 242	-1138943676152
STPT(12)	2270383240487238419	0 2 12 14 30 32 72 74 90 92 102 104	-773162807942
SPT(16)	2270383526775102653	0 18 26 36 126 140 146 150 176 180 186 200 290 300 308 326	-486874943708
SPT(16)	2270383828009816471	0 16 18 36 42 52 96 102 106 112 156 166 172 190 192 208	-185640229890
SPT(16)	2270383874383342937	0 50 140 170 174 204 216 240 260 284 296 326 330 360 450 500	-139266703424
STPT(10)	2270384060861394977	0 2 30 32 72 74 114 116 144 146	47211348616
SPT(16)	2270385385214460211	0 22 36 52 90 120 130 148 150 168 178 208 246 262 276 298	1371564413850
SPT(16)	2270385449101352183	0 6 44 56 86 90 104 126 128 150 164 168 198 210 248 254	1435451305822
STPT(10)	2270385844891753409	0 2 18 20 30 32 42 44 60 62	1831241707048
STPT(10)	2270385866738076947	0 2 30 32 72 74 114 116 144 146	1853088030586