Prime p₀= 2181490110037271177 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: LCB001
db: batch=81, k=12, 2 40 2 16 2 22

SPT(16)	2181488846534024411	0 42 108 116 126 138 156 168 170 182 200 212 222 230 296 338	-1263503246766
STPT(10)	2181489240404870909	0 2 42 44 60 62 78 80 120 122	-869632400268
SPT(16)	2181489599150244221	0 18 20 48 68 146 152 156 212 216 222 300 320 348 350 368	-510887026956
SPT(16)	2181489693180695467	0 22 34 36 66 76 124 136 180 192 240 250 280 282 294 316	-416856575710
STPT(10)	2181489936414372341	0 2 6 8 18 20 30 32 36 38	-173622898836
SPT(16)	2181489956985263333	0 6 24 26 66 90 104 120 194 210 224 248 288 290 308 314	-153052007844
SPT(16)	2181490585678676717	0 26 44 54 60 74 132 156 170 194 252 266 272 282 300 326	475641405540
SPT(16)	2181490851358745867	0 2 42 54 96 114 140 176 210 246 272 290 332 344 384 386	741321474690
SPT(16)	2181491249095983823	0 18 34 36 78 96 120 130 294 304 328 346 388 390 406 424	1139058712646
SPT(22)	2181491372027319181	0 22 42 96 168 172 208 222 238 246 300 328 382 390 406 420 456 460 532 586 606 628	1261990048004
STPT(10)	2181491468261168879	0 2 12 14 30 32 48 50 60 62	1358223897702