Prime p₀= 1307166119674641131 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 6 6 38 40 20 30 22 18 68 18 22 30 20 40 38 6 6 (?)
a_n: 0 6 12 50 90 110 140 162 180 248 266 288 318 338 378 416 422 428
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: 428
Found by: Paul
db: batch=77, k=18, 6 6 38 40 20 30 22 18 68

SPT(16)	1307164802156498431	0 16 28 58 66 82 102 112 126 136 156 172 180 210 222 238	-1317518142700
STPT(10)	1307164810111271861	0 2 36 38 78 80 120 122 156 158	-1309563369270
STPT(10)	1307164865997136589	0 2 18 20 60 62 102 104 120 122	-1253677504542
TPT(14)	1307164985501154539	0 2 12 14 42 44 102 104 132 134 138 140 168 170	-1134173486592
SPT(16)	1307165587200576997	0 36 54 60 82 102 106 112 144 150 154 174 196 202 220 256	-532474064134
SPT(16)	1307165784991022413	0 28 48 70 94 150 198 226 228 256 304 360 384 406 426 454	-334683618718
STPT(10)	1307166120764502569	0 2 18 20 30 32 42 44 60 62	1089861438
STPT(10)	1307166695543715701	0 2 36 38 78 80 120 122 156 158	575869074570
STPT(10)	1307166700935028247	0 2 12 14 42 44 72 74 84 86	581260387116
SPT(16)	1307167167059885203	0 30 34 36 78 88 106 120 184 198 216 226 268 270 274 304	1047385244072
STPT(10)	1307167299298961069	0 2 12 14 30 32 48 50 60 62	1179624319938