Prime p₀= 1856557605242568419 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 40 2 4 2 22 2 4 2 40 2 (?)
a_n: 0 2 42 44 48 50 72 74 78 80 120 122
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: 122
Found by: [AF>Libristes] Dudumomo
db: batch=79, k=12, 2 40 2 4 2 22

STPT(10)	1856556766405607447	0 2 30 32 42 44 54 56 84 86	-838836960972
STPT(10)	1856557113715113581	0 2 30 32 78 80 126 128 156 158	-491527454838
STPT(10)	1856557161083946017	0 2 30 32 72 74 114 116 144 146	-444158622402
TPT(14)	1856557173538038239	0 2 48 50 72 74 168 170 270 272 288 290 342 344	-431704530180
STPT(10)	1856557241917931879	0 2 18 20 30 32 42 44 60 62	-363324636540
STPT(10)	1856557473267965057	0 2 42 44 72 74 102 104 144 146	-131974603362
STPT(10)	1856557892538183797	0 2 30 32 42 44 54 56 84 86	287295615378
STPT(10)	1856558276670282971	0 2 30 32 60 62 90 92 120 122	671427714552
TPT(14)	1856558290630631009	0 2 30 32 48 50 78 80 90 92 132 134 162 164	685388062590
SPT(16)	1856558305548375109	0 18 28 48 102 108 114 120 142 148 154 160 214 234 244 262	700305806690
SPT(16)	1856558588478143651	0 8 26 66 80 138 168 212 216 260 290 348 362 402 420 428	983235575232