Prime p₀= 969680560278183581 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 18 138 2 12 12 16 2 16 26 16 2 16 12 12 2 138 18 (?)
a_n: 0 18 156 158 170 182 198 200 216 242 258 260 276 288 300 302 440 458
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: 458
Found by: HenkM
db: batch=76, k=18, 18 138 2 12 12 16 2 16 26

STPT(10)	969679135563344741	0 2 96 98 108 110 120 122 216 218	-1424714838840
SPT(16)	969679200181049587	0 22 54 60 64 76 94 106 150 162 180 192 196 202 234 256	-1360097133994
STPT(10)	969679783843871027	0 2 12 14 72 74 132 134 144 146	-776434312554
SPT(16)	969679784415510169	0 4 18 72 102 112 150 178 204 232 270 280 310 364 378 382	-775862673412
STPT(10)	969680108864288147	0 2 60 62 72 74 84 86 144 146	-451413895434
SPT(16)	969680530246475353	0 60 120 160 166 186 204 210 250 256 274 294 300 340 400 460	-30031708228
STPT(10)	969680966105899121	0 2 6 8 48 50 90 92 96 98	405827715540
STPT(10)	969681001247590571	0 2 30 32 60 62 90 92 120 122	440969406990
SPT(16)	969681161994204719	0 12 44 72 80 90 132 138 164 170 212 222 230 258 290 302	601716021138
SPT(16)	969681249475676851	0 10 36 40 70 72 78 88 120 130 136 138 168 172 198 208	689197493270
STPT(10)	969681744436740857	0 2 30 32 42 44 54 56 84 86	1184158557276