Prime p₀= 1597426236110471881 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 22 8 16 6 14 4 6 2 22 2 6 4 14 6 16 8 22 (?)
a_n: 0 22 30 46 52 66 70 76 78 100 102 108 112 126 132 148 156 178
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: 178
Found by: Spectrum
db: batch=78, k=18, 22 8 16 6 14 4 6 2 22

SPT(16)	1597425106374085981	0 18 46 66 70 72 126 156 172 202 256 258 262 282 310 328	-1129736385900
STPT(10)	1597425230614932737	0 2 12 14 72 74 132 134 144 146	-1005495539144
TPT(14)	1597425459106865819	0 2 30 32 60 62 72 74 210 212 270 272 408 410	-777003606062
SPT(16)	1597426131315460679	0 60 80 98 134 140 158 168 200 210 228 234 270 288 308 368	-104795011202
SPT(16)	1597426164118210199	0 2 14 42 44 48 60 74 198 212 224 228 230 258 270 272	-71992261682
SPT(16)	1597426187856093191	0 32 56 60 98 102 122 158 210 246 266 270 308 312 336 368	-48254378690
SPT(16)	1597426273332222623	0 36 68 78 80 104 108 140 174 206 210 234 236 246 278 314	37221750742
SPT(16)	1597426275268435739	0 30 50 78 102 110 114 150 212 248 252 260 284 312 332 362	39157963858
STPT(10)	1597426291165551071	0 2 36 38 78 80 120 122 156 158	55055079190
TPT(14)	1597426465954391879	0 2 120 122 132 134 162 164 210 212 252 254 342 344	229843919998
TPT(14)	1597426667336957627	0 2 60 62 84 86 132 134 162 164 174 176 210 212	431226485746