Prime p₀= 1103521485626661527 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 28 2 22 2 214 2 22 2 28 2 (?)
a_n: 0 2 30 32 54 56 270 272 294 296 324 326
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: 326
Found by: ginga
db: batch=76, k=12, 2 28 2 22 2 214

SPT(16)	1103519862025612631	0 18 36 56 78 80 92 150 158 216 228 230 252 272 290 308	-1623601048896
STPT(10)	1103520074869488971	0 2 30 32 60 62 90 92 120 122	-1410757172556
SPT(16)	1103520225716737999	0 4 30 42 70 130 132 150 154 172 174 234 262 274 300 304	-1259909923528
STPT(10)	1103520298511730347	0 2 54 56 132 134 210 212 264 266	-1187114931180
SPT(16)	1103521349464568467	0 10 12 30 54 60 72 94 102 124 136 142 166 184 186 196	-136162093060
STPT(10)	1103521407083733899	0 2 18 20 30 32 42 44 60 62	-78542927628
STPT(10)	1103521570426428407	0 2 90 92 102 104 114 116 204 206	84799766880
TPT(14)	1103521629877231967	0 2 132 134 150 152 162 164 174 176 204 206 252 254	144250570440
STPT(10)	1103521755321105917	0 2 24 26 42 44 60 62 84 86	269694444390
STPT(10)	1103521871357793707	0 2 30 32 42 44 54 56 84 86	385731132180
SPT(16)	1103522250095734493	0 8 14 24 50 66 146 164 180 198 278 294 320 330 336 344	764469072966