Prime p₀= 909300296401523417 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 52 2 28 2 124 2 28 2 52 2 (?)
a_n: 0 2 54 56 84 86 210 212 240 242 294 296
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: 296
Found by: HenkM
db: batch=76, k=12, 2 52 2 28 2 124

SPT(16)	909299068803224887	0 40 42 112 144 154 162 172 282 292 300 310 342 412 414 454	-1227598298530
SPT(16)	909299105559468913	0 66 70 78 100 106 108 136 210 238 240 246 268 276 280 346	-1190842054504
STPT(10)	909299329139607941	0 2 78 80 108 110 138 140 216 218	-967261915476
SPT(16)	909299361541843201	0 30 42 46 96 130 142 156 196 210 222 256 306 310 322 352	-934859680216
STPT(10)	909300152551255649	0 2 30 32 60 62 90 92 120 122	-143850267768
STPT(10)	909300200136893861	0 2 6 8 18 20 30 32 36 38	-96264629556
STPT(10)	909300347987125361	0 2 36 38 78 80 120 122 156 158	51585601944
SPT(16)	909300390572850977	0 26 32 56 116 140 150 186 260 296 306 330 390 414 420 446	94171327560
STPT(10)	909300778731848117	0 2 24 26 42 44 60 62 84 86	482330324700
STPT(10)	909300846653936879	0 2 18 20 30 32 42 44 60 62	550252413462
SPT(16)	909300853648857379	0 22 30 40 72 84 94 120 142 168 178 190 222 232 240 262	557247333962