Prime p₀= 878618545394409647 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 40 2 16 2 22 2 16 2 40 2 (?)
a_n: 0 2 42 44 60 62 84 86 102 104 144 146
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: 146
Found by: Donn Pike (USAF Ret)
db: batch=73, k=12, 2 40 2 16 2 22

SPT(16)	878617631560091147	0 20 50 114 126 140 240 282 314 356 456 470 482 546 576 596	-913834318500
STPT(10)	878617981598727779	0 2 48 50 90 92 132 134 180 182	-563795681868
STPT(10)	878618021865899057	0 2 30 32 42 44 54 56 84 86	-523528510590
SPT(16)	878618117015748379	0 58 64 78 112 124 130 142 210 222 228 240 274 288 294 352	-428378661268
SPT(16)	878618311080756731	0 2 36 56 60 72 78 102 116 140 146 158 162 182 216 218	-234313652916
SPT(13)	878618539451376547	0 54 84 120 132 150 192 234 252 264 300 330 384	-5943033100
TPT(14)	878618545394409647	0 2 42 44 60 62 84 86 102 104 144 146 174 176	0
SPT(13)	878618895536575243	0 24 30 78 84 108 114 120 144 150 198 204 228	350142165596
TPT(14)	878619477055370159	0 2 42 44 72 74 222 224 228 230 270 272 300 302	931660960512
TPT(14)	878619514070393981	0 2 6 8 96 98 156 158 186 188 198 200 270 272	968675984334
SPT(16)	878620088482647919	0 22 42 84 94 102 114 130 132 148 160 168 178 220 240 262	1543088238272