Prime p₀= 1630782141010920851 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 46 2 70 2 4 2 70 2 46 2 (?)
a_n: 0 2 48 50 120 122 126 128 198 200 246 248
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: 248
Found by: UBT - Timbo
db: batch=78, k=12, 2 46 2 70 2 4

STPT(10)	1630780084427222759	0 2 30 32 60 62 90 92 120 122	-2056583698092
SPT(20)	1630780732130652419	0 18 20 62 78 80 92 98 108 120 170 182 192 198 210 212 228 270 272 290	-1408880268432
STPT(10)	1630780733811951047	0 2 42 44 72 74 102 104 144 146	-1407198969804
SPT(16)	1630781027092632973	0 60 64 78 138 154 186 208 276 298 330 346 406 420 424 484	-1113918287878
STPT(10)	1630781656476762701	0 2 6 8 18 20 30 32 36 38	-484534158150
SPT(16)	1630781724779538341	0 8 50 92 98 140 150 176 252 278 288 330 336 378 420 428	-416231382510
SPT(16)	1630782157902044921	0 12 42 60 120 126 170 198 200 228 272 278 338 356 386 398	16891124070
SPT(16)	1630782194761476811	0 6 88 90 120 162 168 202 246 280 286 328 358 360 442 448	53750555960
STPT(10)	1630782570538369277	0 2 30 32 42 44 54 56 84 86	429527448426
SPT(18)	1630782574439609413	0 34 60 88 144 148 160 168 190 228 250 258 270 274 330 358 384 418	433428688562
STPT(10)	1630782575743687967	0 2 30 32 42 44 54 56 84 86	434732767116