Prime p₀= 1978998449525186939 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 10 2 28 2 106 2 28 2 10 2 (?)
a_n: 0 2 12 14 42 44 150 152 180 182 192 194
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: 194
Found by: Dingo
db: batch=80, k=12, 2 10 2 28 2 106

SPT(16)	1978997084548088569	0 48 70 72 108 132 150 154 258 262 280 304 340 342 364 412	-1364977098370
SPT(16)	1978997523526399297	0 10 36 70 106 120 126 136 150 160 166 180 216 250 276 286	-925998787642
STPT(10)	1978997608246755791	0 2 30 32 60 62 90 92 120 122	-841278431148
SPT(16)	1978997716532943187	0 6 16 54 60 70 72 100 156 184 186 196 202 240 250 256	-732992243752
SPT(16)	1978997779866464821	0 10 18 22 88 100 142 162 226 246 288 300 366 370 378 388	-669658722118
SPT(16)	1978998266353344521	0 20 26 32 42 50 60 68 90 98 108 116 126 132 138 158	-183171842418
SPT(16)	1978998748149573961	0 16 30 48 130 240 252 258 280 286 298 408 490 508 522 538	298624387022
TPT(14)	1978998821437616057	0 2 30 32 120 122 132 134 204 206 210 212 252 254	371912429118
SPT(16)	1978998848456438597	0 6 24 62 66 90 92 104 162 174 176 200 204 242 260 266	398931251658
STPT(10)	1978999067267251031	0 2 30 32 60 62 90 92 120 122	617742064092
STPT(10)	1978999287464491907	0 2 24 26 42 44 60 62 84 86	837939304968