Prime p₀= 1267911286370162801 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 38 12 18 52 2 30 18 36 16 36 18 30 2 52 18 12 38 (?)
a_n: 0 38 50 68 120 122 152 170 206 222 258 276 306 308 360 378 390 428
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: 428
Found by: Megacruncher
db: batch=77, k=18, 38 12 18 52 2 30 18 36 16

SPT(16)	1267909142173250117	0 14 50 60 92 140 156 162 164 170 186 234 266 276 312 326	-2144196912684
STPT(10)	1267909687174159439	0 2 12 14 90 92 168 170 180 182	-1599196003362
SPT(16)	1267909848792918139	0 4 40 70 132 160 172 184 198 210 222 250 312 342 378 382	-1437577244662
TPT(16)	1267910384622449669	0 2 12 14 162 164 168 170 192 194 330 332 462 464 498 500	-901747713132
SPT(16)	1267910518892700971	0 30 32 38 60 98 110 120 200 210 222 260 282 288 290 320	-767477461830
SPT(16)	1267910544228475111	0 18 30 60 82 90 112 118 180 186 208 216 238 268 280 298	-742141687690
STPT(12)	1267911290202763901	0 2 6 8 48 50 78 80 120 122 126 128	3832601100
SPT(16)	1267911582046888433	0 14 20 26 30 56 68 78 146 156 168 194 198 204 210 224	295676725632
SPT(16)	1267911614719163333	0 24 36 56 90 110 134 138 206 210 234 254 288 308 320 344	328349000532
TPT(14)	1267911711524208629	0 2 132 134 168 170 222 224 270 272 300 302 348 350	425154045828
SPT(18)	1267911906448381267	0 16 42 52 54 82 94 120 156 160 196 222 234 262 264 274 300 316	620078218466