Prime p₀= 448290144998884547 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 28 2 28 2 10 2 28 2 28 2 (?)
a_n: 0 2 30 32 60 62 72 74 102 104 132 134
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: 134
Found by: Theadalus
db: batch=70, k=12, 2 28 2 28 2 10

SPT(14)	448290083028487451	0 42 78 90 96 138 146 162 170 212 218 230 266 308	-61970397096
SPT(14)	448290090615898543	0 18 46 70 88 124 160 174 210 246 264 288 316 334	-54382986004
SPT(14)	448290105155171113	0 18 48 60 90 120 126 148 154 184 214 226 256 274	-39843713434
SPT(14)	448290115207120009	0 4 10 42 48 54 64 108 118 124 130 162 168 172	-29791764538
SPT(20)	448290119482270147	0 24 36 54 90 154 196 220 222 246 250 274 276 300 342 406 442 460 472 496	-25516614400
TPT(12)	448290121457277761	0 2 30 32 126 128 138 140 186 188 258 260	-23541606786
TPT(12)	448290144998884547	0 2 30 32 60 62 72 74 102 104 132 134	0
SPT(14)	448290180183648349	0 42 72 108 204 264 282 360 378 438 534 570 600 642	35184763802
SPT(14)	448290180645255199	0 4 42 54 70 88 118 144 174 192 208 220 258 262	35646370652
SPT(14)	448290212098523401	0 18 88 118 148 168 220 228 280 300 330 360 430 448	67099638854
TPT(12)	448290220369931657	0 2 54 56 90 92 144 146 222 224 240 242	75371047110