Prime p₀= 2475315060551233721 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 28 2 28 2 106 2 28 2 28 2 (?)
a_n: 0 2 30 32 60 62 168 170 198 200 228 230
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: 230
Found by: [SG-FC] hl
db: batch=82, k=12, 2 28 2 28 2 106

SPT(16)	2475313547445650621	0 12 20 62 68 78 90 108 110 128 140 150 156 198 206 218	-1513105583100
SPT(16)	2475313968402557791	0 40 90 108 196 202 208 246 262 300 306 312 400 418 468 508	-1092148675930
SPT(16)	2475314172515764367	0 42 54 56 84 90 104 156 170 222 236 242 270 272 284 326	-888035469354
STPT(10)	2475314253091436357	0 2 12 14 42 44 72 74 84 86	-807459797364
STPT(10)	2475314821163249837	0 2 30 32 72 74 114 116 144 146	-239387983884
TPT(14)	2475314865817613747	0 2 90 92 114 116 132 134 180 182 264 266 300 302	-194733619974
SPT(16)	2475315578885776241	0 6 32 60 66 140 150 170 228 248 258 332 338 366 392 398	518334542520
SPT(16)	2475315856535547827	0 2 50 54 120 126 132 156 200 224 230 236 302 306 354 356	795984314106
STPT(10)	2475315952950698189	0 2 12 14 90 92 168 170 180 182	892399464468
SPT(16)	2475315982797163819	0 22 34 52 54 82 174 180 202 208 300 328 330 348 360 382	922245930098
STPT(10)	2475316261196763239	0 2 48 50 90 92 132 134 180 182	1200645529518