Prime p₀= 2147912139106514267 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 6 30 8 16 50 10 24 8 52 8 24 10 50 16 8 30 6 (?)
a_n: 0 6 36 44 60 110 120 144 152 204 212 236 246 296 312 320 350 356
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: 356
Found by: Landjunge
db: batch=80, k=18, 6 30 8 16 50 10 24 8 52

SPT(16)	2147910555993646637	0 12 30 44 56 72 74 140 216 282 284 300 312 326 344 356	-1583112867630
SPT(16)	2147910643940654563	0 48 60 64 78 130 138 154 180 196 204 256 270 274 286 334	-1495165859704
SPT(16)	2147910680110450757	0 12 24 42 54 62 90 102 104 116 144 152 164 182 194 206	-1458996063510
SPT(16)	2147910771073019009	0 2 14 50 72 84 92 102 110 120 128 140 162 198 210 212	-1368033495258
SPT(16)	2147911654567744537	0 10 40 84 90 112 114 124 150 160 162 184 190 234 264 274	-484538769730
STPT(10)	2147912111293926959	0 2 42 44 60 62 78 80 120 122	-27812587308
STPT(10)	2147912330302574567	0 2 30 32 42 44 54 56 84 86	191196060300
STPT(10)	2147912590401630917	0 2 42 44 72 74 102 104 144 146	451295116650
STPT(10)	2147912721219421547	0 2 30 32 42 44 54 56 84 86	582112907280
STPT(10)	2147913604530535739	0 2 18 20 30 32 42 44 60 62	1465424021472
TPT(14)	2147913687717348149	0 2 102 104 198 200 222 224 228 230 258 260 300 302	1548610833882