Prime p₀= 974622614365835921 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 76 2 10 2 76 2 10 2 76 2 (?)
a_n: 0 2 78 80 90 92 168 170 180 182 258 260
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: 260
Found by: HenkM
db: batch=76, k=12, 2 76 2 10 2 76

STPT(10)	974621079783264911	0 2 6 8 48 50 90 92 96 98	-1534582571010
STPT(10)	974621155644425459	0 2 18 20 60 62 102 104 120 122	-1458721410462
SPT(16)	974621402071159243	0 58 70 90 100 136 156 216 238 298 318 354 364 384 396 454	-1212294676678
STPT(10)	974621938742775017	0 2 60 62 102 104 144 146 204 206	-675623060904
TPT(14)	974622292244681567	0 2 12 14 42 44 90 92 114 116 132 134 222 224	-322121154354
TPT(14)	974622309935943791	0 2 78 80 126 128 258 260 276 278 300 302 420 422	-304429892130
SPT(16)	974622632099226449	0 14 48 128 140 170 182 210 212 240 252 282 294 374 408 422	17733390528
SPT(16)	974622645753836447	0 44 62 84 120 134 180 222 254 296 342 356 392 414 432 476	31388000526
TPT(14)	974622701272141631	0 2 6 8 78 80 90 92 108 110 210 212 336 338	86906305710
SPT(16)	974622744749838221	0 30 36 38 92 98 162 168 170 176 240 246 300 302 308 338	130384002300
STPT(10)	974623162296634061	0 2 30 32 78 80 126 128 156 158	547930798140