Prime p₀= 1938542591902446667 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 30 10 24 26 10 2 18 22 2 22 18 2 10 26 24 10 30 (?)
a_n: 0 30 40 64 90 100 102 120 142 144 166 184 186 196 222 246 256 286
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: 286
Found by: [AF>Le_Pommier] Jerome_C2005
db: batch=80, k=18, 30 10 24 26 10 2 18 22 2

STPT(10)	1938540021964288019	0 2 12 14 90 92 168 170 180 182	-2569938158648
STPT(10)	1938540025478490437	0 2 120 122 150 152 180 182 300 302	-2566423956230
SPT(16)	1938540282942585103	0 18 28 48 70 108 136 138 166 168 196 234 256 276 286 304	-2308959861564
SPT(16)	1938541352247868409	0 2 18 20 32 54 68 72 170 174 188 210 222 224 240 242	-1239654578258
TPT(14)	1938541754143061477	0 2 42 44 90 92 102 104 144 146 312 314 324 326	-837759385190
STPT(10)	1938541918757570207	0 2 42 44 72 74 102 104 144 146	-673144876460
SPT(16)	1938542737569501937	0 12 124 126 130 142 150 196 210 256 264 276 280 282 394 406	145667055270
SPT(16)	1938542865746022643	0 16 30 64 78 100 120 130 174 184 204 226 240 274 288 304	273843575976
SPT(16)	1938542927786706641	0 38 86 116 126 156 168 206 240 278 290 320 330 360 408 446	335884259974
TPT(14)	1938543338171661017	0 2 60 62 84 86 144 146 210 212 222 224 294 296	746269214350
STPT(10)	1938543346067461961	0 2 36 38 78 80 120 122 156 158	754165015294