Prime p₀= 1691685649168731917 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 40 2 76 2 40 2 76 2 40 2 (?)
a_n: 0 2 42 44 120 122 162 164 240 242 282 284
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: 284
Found by: KPX
db: batch=79, k=12, 2 40 2 76 2 40

SPT(16)	1691684398751239741	0 28 76 132 150 202 216 238 300 322 336 388 406 462 510 538	-1250417492176
SPT(16)	1691685030209885729	0 2 12 32 44 102 110 132 140 162 170 228 240 260 270 272	-618958846188
SPT(16)	1691685128753121529	0 18 42 108 130 132 154 172 240 258 280 282 304 370 394 412	-520415610388
SPT(16)	1691685223893418627	0 52 100 130 144 172 174 180 214 220 222 250 264 294 342 394	-425275313290
SPT(13)	1691685272536481423	0 18 60 78 84 138 174 210 264 270 288 330 348	-376632250494
SPT(16)	1691685488259945839	0 30 44 62 78 104 108 114 188 194 198 224 240 258 272 302	-160908786078
STPT(10)	1691686029653948297	0 2 54 56 72 74 90 92 144 146	380485216380
STPT(10)	1691686107085970519	0 2 18 20 30 32 42 44 60 62	457917238602
SPT(16)	1691686108489444649	0 30 54 102 134 140 150 170 192 212 222 228 260 308 332 362	459320712732
STPT(10)	1691686236331395719	0 2 48 50 60 62 72 74 120 122	587162663802
SPT(16)	1691686343187978299	0 42 68 92 138 140 144 152 210 218 222 224 270 294 320 362	694019246382