Prime p₀= 2204990705363918489 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 10 2 28 2 46 2 28 2 10 2 (?)
a_n: 0 2 12 14 42 44 90 92 120 122 132 134
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: Penguin
db: batch=81, k=12, 2 10 2 28 2 46

STPT(10)	2204989454698357421	0 2 6 8 48 50 90 92 96 98	-1250665561068
SPT(16)	2204989820230003999	0 64 70 108 112 118 132 142 300 310 324 330 334 372 378 442	-885133914490
STPT(12)	2204989919903134337	0 2 30 32 42 44 72 74 84 86 114 116	-785460784152
TPT(16)	2204989929120704057	0 2 24 26 54 56 90 92 180 182 192 194 210 212 222 224	-776243214432
SPT(16)	2204989937135987381	0 8 108 116 120 158 206 210 248 252 300 338 342 350 450 458	-768227931108
STPT(10)	2204990194755652361	0 2 36 38 78 80 120 122 156 158	-510608266128
SPT(16)	2204990814022828493	0 36 54 56 60 74 78 96 98 116 120 134 138 140 158 194	108658910004
SPT(16)	2204990864779755457	0 10 30 52 72 84 100 114 172 186 202 214 234 256 276 286	159415836968
STPT(10)	2204990879402682977	0 2 60 62 72 74 84 86 144 146	174038764488
STPT(10)	2204991258441041141	0 2 30 32 78 80 126 128 156 158	553077122652
SPT(16)	2204991346803589447	0 4 34 60 166 202 312 330 346 364 474 510 616 642 672 676	641439670958