Prime p₀= 2109770691982247579 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 8 12 18 16 26 10 50 34 20 34 50 10 26 16 18 12 8 (?)
a_n: 0 8 20 38 54 80 90 140 174 194 228 278 288 314 330 348 360 368
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: 368
Found by: ChUcK
db: batch=80, k=18, 8 12 18 16 26 10 50 34 20

SPT(16)	2109768859169988019	0 12 22 40 48 58 78 82 108 112 132 142 150 168 178 190	-1832812259560
SPT(16)	2109768973884666343	0 28 64 88 90 138 144 190 228 274 280 328 330 354 390 418	-1718097581236
SPT(18)	2109769787298334451	0 20 42 66 72 96 98 108 122 156 170 180 182 206 212 236 258 278	-904683913128
STPT(10)	2109770090520002759	0 2 30 32 60 62 90 92 120 122	-601462244820
SPT(16)	2109770224912369273	0 46 60 78 94 100 130 148 156 174 204 210 226 244 258 304	-467069878306
STPT(10)	2109770248717529309	0 2 18 20 30 32 42 44 60 62	-443264718270
SPT(16)	2109771560765601727	0 22 52 66 124 144 166 180 196 210 232 252 310 324 354 376	868783354148
SPT(16)	2109771873932113399	0 12 24 30 72 108 120 130 162 172 184 220 262 268 280 292	1181949865820
SPT(16)	2109772110886469123	0 26 50 68 134 246 260 294 350 384 398 510 576 594 618 644	1418904221544
TPT(14)	2109772125316072181	0 2 96 98 108 110 126 128 150 152 180 182 186 188	1433333824602
STPT(10)	2109772325806994447	0 2 30 32 42 44 54 56 84 86	1633824746868