Prime p₀= 3978733113825065819 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 148 2 40 2 4 2 40 2 148 2 (?)
a_n: 0 2 150 152 192 194 198 200 240 242 390 392
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: 392
Found by: [AF] Kalianthys
db: batch=84, k=12, 2 148 2 40 2 4

STPT(10)	3978731502364586447	0 2 30 32 42 44 54 56 84 86	-1611460479372
STPT(10)	3978731851421071991	0 2 36 38 78 80 120 122 156 158	-1262403993828
STPT(10)	3978732443596431341	0 2 6 8 18 20 30 32 36 38	-670228634478
SPT(15)	3978732456026588801	0 30 36 90 150 156 216 246 276 336 342 402 456 462 492	-657798477018
SPT(16)	3978732992733687523	0 10 46 48 58 90 208 216 220 228 346 378 388 390 426 436	-121091378296
SPT(16)	3978733095638846543	0 20 56 60 110 144 146 180 224 258 260 294 344 348 384 404	-18186219276
SPT(16)	3978733195415470579	0 24 52 90 120 162 180 202 240 262 280 322 352 390 418 442	81590404760
STPT(10)	3978733234528418459	0 2 30 32 60 62 90 92 120 122	120703352640
SPT(16)	3978733610939682293	0 18 20 30 96 98 110 116 168 174 186 188 254 264 266 284	497114616474
STPT(10)	3978734167114478207	0 2 60 62 102 104 144 146 204 206	1053289412388
SPT(16)	3978734270074117369	0 18 28 72 84 100 118 142 300 324 342 358 370 414 424 442	1156249051550