Prime p₀= 2494653443841922057 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 24 12 54 4 26 16 6 20 22 20 6 16 26 4 54 12 24 (?)
a_n: 0 24 36 90 94 120 136 142 162 184 204 210 226 252 256 310 322 346
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: 346
Found by: [SG-FC] hl
db: batch=82, k=18, 24 12 54 4 26 16 6 20 22

STPT(10)	2494650950815932047	0 2 12 14 42 44 72 74 84 86	-2493025990010
SPT(16)	2494650997447863211	0 12 40 52 70 100 118 130 138 150 168 198 216 228 256 268	-2446394058846
SPT(16)	2494652055052915217	0 26 50 56 122 150 162 176 210 224 236 264 330 336 360 386	-1388789006840
STPT(10)	2494652348353470629	0 2 18 20 60 62 102 104 120 122	-1095488451428
SPT(16)	2494652737858220809	0 22 48 64 88 108 114 130 132 148 154 174 198 214 240 262	-705983701248
SPT(16)	2494653021541483423	0 4 24 34 46 48 78 90 124 136 166 168 180 190 210 214	-422300438634
SPT(16)	2494654000262636833	0 18 48 54 60 96 130 214 300 384 418 454 460 466 496 514	556420714776
SPT(16)	2494654637798167489	0 30 54 88 102 120 124 130 162 168 172 190 204 238 262 292	1193956245432
STPT(10)	2494654870072914221	0 2 30 32 78 80 126 128 156 158	1426230992164
SPT(16)	2494655193163127677	0 16 22 64 70 82 90 114 172 196 204 216 222 264 270 286	1749321205620
STPT(10)	2494655531431064717	0 2 42 44 72 74 102 104 144 146	2087589142660