Prime p₀= 2171542008231415361 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 34 2 52 2 34 2 52 2 34 2 (?)
a_n: 0 2 36 38 90 92 126 128 180 182 216 218
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: 218
Found by: [SG-FC] hl
db: batch=81, k=12, 2 34 2 52 2 34

SPT(16)	2171539597777353289	0 12 70 82 118 132 148 162 208 222 238 252 288 300 358 370	-2410454062072
STPT(10)	2171539980762393737	0 2 60 62 72 74 84 86 144 146	-2027469021624
SPT(16)	2171540118567241199	0 72 120 128 140 150 204 224 228 248 302 312 324 332 380 452	-1889664174162
SPT(16)	2171540349433705127	0 26 54 92 120 122 204 206 210 212 294 296 324 362 390 416	-1658797710234
SPT(16)	2171541033591409201	0 16 22 60 78 102 120 126 172 178 196 220 238 276 282 298	-974640006160
SPT(13)	2171541511350255697	0 30 90 126 132 156 246 336 360 366 402 462 492	-496881159664
STPT(10)	2171542160791493837	0 2 12 14 42 44 72 74 84 86	152560078476
SPT(16)	2171542240328590313	0 66 78 86 120 126 150 164 210 224 248 254 288 296 308 374	232097174952
SPT(13)	2171542518230093651	0 42 48 60 108 168 180 192 252 300 312 318 360	509998678290
STPT(10)	2171542700536157747	0 2 30 32 42 44 54 56 84 86	692304742386
STPT(10)	2171542890203162681	0 2 6 8 18 20 30 32 36 38	881971747320