Prime p₀= 994505403562726589 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 46 2 28 2 52 2 28 2 46 2 (?)
a_n: 0 2 48 50 78 80 132 134 162 164 210 212
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: 212
Found by: Theadalus
db: batch=76, k=12, 2 46 2 28 2 52

SPT(16)	994504747419663211	0 28 40 72 76 132 160 190 348 378 406 462 466 498 510 538	-656143063378
SPT(16)	994504767740858431	0 12 52 78 96 142 150 178 210 238 246 292 310 336 376 388	-635821868158
STPT(10)	994504866316035029	0 2 48 50 90 92 132 134 180 182	-537246691560
SPT(16)	994504976331477773	0 44 50 66 74 110 134 138 266 270 294 330 338 354 360 404	-427231248816
SPT(16)	994505210065716607	0 42 52 66 96 102 154 166 180 192 244 250 280 294 304 346	-193497009982
TPT(14)	994505403562726577	0 2 12 14 60 62 90 92 144 146 174 176 222 224	-12
STPT(10)	994505608073416457	0 2 54 56 132 134 210 212 264 266	204510689868
SPT(16)	994505684248355689	0 18 22 34 54 78 112 174 238 300 334 358 378 390 394 412	280685629100
STPT(10)	994505961206434277	0 2 42 44 72 74 102 104 144 146	557643707688
STPT(10)	994506401895574817	0 2 30 32 42 44 54 56 84 86	998332848228
STPT(10)	994506443840485757	0 2 30 32 42 44 54 56 84 86	1040277759168