Prime p₀= 2518136488202490613 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 28 48 18 26 40 36 12 26 16 26 12 36 40 26 18 48 28 (?)
a_n: 0 28 76 94 120 160 196 208 234 250 276 288 324 364 390 408 456 484
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: 484
Found by: [SG-FC] hl
db: batch=82, k=18, 28 48 18 26 40 36 12 26 16

SPT(16)	2518134923728822793	0 6 48 66 80 108 110 140 174 204 206 234 248 266 308 314	-1564473667820
SPT(16)	2518135929816732073	0 4 16 70 94 106 136 144 160 168 198 210 234 288 300 304	-558385758540
SPT(16)	2518135986042539393	0 56 60 66 90 108 110 126 128 144 146 164 188 194 198 254	-502159951220
STPT(10)	2518136009172633527	0 2 12 14 42 44 72 74 84 86	-479029857086
SPT(16)	2518136029563341723	0 6 78 98 144 158 176 188 216 228 246 260 306 326 398 404	-458639148890
STPT(10)	2518136040136491347	0 2 24 26 42 44 60 62 84 86	-448065999266
STPT(10)	2518136583469038137	0 2 60 62 72 74 84 86 144 146	95266547524
SPT(16)	2518136682987940499	0 8 20 38 60 78 104 108 140 144 170 188 210 228 240 248	194785449886
SPT(16)	2518136686808095679	0 14 32 44 72 132 152 170 282 300 320 380 408 420 438 452	198605605066
SPT(16)	2518137946163942741	0 2 38 56 60 78 86 116 132 162 170 188 192 210 246 248	1457961452128
TPT(14)	2518138106446437131	0 2 60 62 96 98 138 140 156 158 270 272 390 392	1618243946518