Prime p₀= 1245766618319400161 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 26 22 30 12 2 6 18 22 2 22 18 6 2 12 30 22 26 (?)
a_n: 0 26 48 78 90 92 98 116 138 140 162 180 186 188 200 230 252 278
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: 278
Found by: [AF>Libristes]Maeda
db: batch=77, k=18, 26 22 30 12 2 6 18 22 2

SPT(16)	1245764846478042257	0 110 122 146 152 162 164 174 212 222 224 234 240 264 276 386	-1771841357904
SPT(18)	1245765116855535697	0 24 64 72 94 100 102 130 136 240 246 274 276 282 304 312 352 376	-1501463864464
STPT(10)	1245765182119681511	0 2 36 38 78 80 120 122 156 158	-1436199718650
SPT(16)	1245765196184137243	0 60 70 76 88 96 130 150 154 174 208 216 228 234 244 304	-1422135262918
SPT(16)	1245765385887028157	0 2 42 50 72 86 110 170 222 282 306 320 342 350 390 392	-1232432372004
SPT(16)	1245766428159362713	0 10 30 88 90 108 120 130 174 184 196 214 216 274 294 304	-190160037448
SPT(16)	1245766929645219929	0 38 62 78 80 120 132 134 288 290 302 342 344 360 384 422	311325819768
SPT(16)	1245767039130942203	0 50 108 144 168 204 260 288 326 354 410 446 470 506 564 614	420811542042
SPT(18)	1245767044377474461	0 56 66 78 90 108 122 156 168 170 182 216 230 248 260 272 282 338	426058074300
TPT(14)	1245767177987159939	0 2 72 74 168 170 210 212 270 272 408 410 438 440	559667759778
STPT(10)	1245767395249217921	0 2 66 68 108 110 150 152 216 218	776929817760