Prime p₀= 1331218246599067889 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 16 2 52 2 64 2 52 2 16 2 (?)
a_n: 0 2 18 20 72 74 138 140 192 194 210 212
All 12 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 212
Found by: stoneageman
db: batch=77, k=12, 2 16 2 52 2 64

SPT(16)	1331217365500659823	0 6 40 60 148 184 214 216 238 240 270 306 394 414 448 454	-881098408066
SPT(16)	1331217976156216861	0 10 12 40 42 96 108 118 150 160 172 226 228 256 258 268	-270442851028
SPT(16)	1331218018055376643	0 34 48 70 76 90 118 124 240 246 274 288 294 316 330 364	-228543691246
SPT(16)	1331218182247864441	0 12 40 70 76 108 136 166 312 342 370 402 408 438 466 478	-64351203448
SPT(16)	1331218186268546549	0 2 8 24 30 54 122 162 200 240 308 332 338 354 360 362	-60330521340
TPT(14)	1331218198197626741	0 2 36 38 90 92 120 122 156 158 198 200 228 230	-48401441148
STPT(10)	1331218387259942549	0 2 18 20 30 32 42 44 60 62	140660874660
SPT(16)	1331218450429397501	0 38 60 86 96 98 116 138 170 192 210 212 222 248 270 308	203830329612
STPT(10)	1331218706502767177	0 2 30 32 42 44 54 56 84 86	459903699288
STPT(10)	1331218930462051451	0 2 6 8 18 20 30 32 36 38	683862983562
SPT(16)	1331218949188176683	0 8 60 66 90 96 98 140 144 186 188 194 218 224 276 284	702589108794