Prime p₀= 1274144605338604079 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 12 2 48 10 6 26 10 18 38 18 10 26 6 10 48 2 12 (?)
a_n: 0 12 14 62 72 78 104 114 132 170 188 198 224 230 240 288 290 302
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: 302
Found by: mikey
db: batch=77, k=18, 12 2 48 10 6 26 10 18 38

SPT(16)	1274143105552644829	0 10 12 34 52 54 78 82 90 94 118 120 138 160 162 172	-1499785959250
SPT(16)	1274143220934439343	0 50 54 56 104 126 174 224 270 320 368 390 438 440 444 494	-1384404164736
SPT(16)	1274143222502901721	0 10 12 42 102 178 222 232 378 388 432 508 568 598 600 610	-1382835702358
SPT(16)	1274143306751859913	0 10 64 70 76 78 84 94 150 160 166 168 174 180 234 244	-1298586744166
SPT(16)	1274143789551056687	0 20 32 42 54 84 92 110 204 222 230 260 272 282 294 314	-815787547392
STPT(10)	1274143962256712759	0 2 18 20 60 62 102 104 120 122	-643081891320
SPT(16)	1274144830110587537	0 6 90 152 186 212 222 254 312 344 354 380 414 476 560 566	224771983458
STPT(10)	1274145383619838019	0 2 42 44 90 92 138 140 180 182	778281233940
TPT(14)	1274145488498061371	0 2 36 38 78 80 90 92 126 128 210 212 420 422	883159457292
SPT(16)	1274145658637497939	0 18 24 34 42 52 94 102 160 168 210 220 228 238 244 262	1053298893860
STPT(10)	1274145672073825007	0 2 30 32 72 74 114 116 144 146	1066735220928