Prime p₀= 1621859886857611067 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: xii5ku
db: batch=78, k=12, 2 40 2 16 2 22

SPT(16)	1621858608703177211	0 72 80 122 146 156 182 210 212 240 266 276 300 342 350 422	-1278154433856
SPT(16)	1621859024579645063	0 60 86 98 120 134 198 270 434 506 570 584 606 618 644 704	-862277966004
SPT(16)	1621859168600809783	0 60 78 84 94 130 138 144 214 220 228 264 274 280 298 358	-718256801284
SPT(16)	1621859173675752779	0 14 60 92 110 132 144 174 188 218 230 252 270 302 348 362	-713181858288
STPT(10)	1621859334991793867	0 2 54 56 72 74 90 92 144 146	-551865817200
STPT(10)	1621859797721330351	0 2 30 32 60 62 90 92 120 122	-89136280716
SPT(16)	1621860689308117229	0 108 110 132 138 174 180 188 234 242 248 284 290 312 314 422	802450506162
STPT(10)	1621860772234302371	0 2 30 32 78 80 126 128 156 158	885376691304
SPT(16)	1621860918916061653	0 18 30 84 88 100 120 130 144 154 174 186 190 244 256 274	1032058450586
STPT(10)	1621861377130992581	0 2 36 38 108 110 180 182 216 218	1490273381514
STPT(10)	1621861565296900379	0 2 48 50 90 92 132 134 180 182	1678439289312