Prime p₀= 2253886269488471897 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 10 2 10 2 4 2 10 2 10 2 (?)
a_n: 0 2 12 14 24 26 30 32 42 44 54 56
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: 56
Found by: JayPi
db: batch=81, k=12, 2 10 2 10 2 4

SPT(16)	2253885614430731459	0 2 72 122 132 222 272 294 470 492 542 632 642 692 762 764	-655057740438
SPT(16)	2253885653479690121	0 20 26 36 50 78 90 92 126 128 140 168 182 192 198 218	-616008781776
STPT(10)	2253885812960883989	0 2 18 20 30 32 42 44 60 62	-456527587908
STPT(10)	2253885878145660929	0 2 18 20 30 32 42 44 60 62	-391342810968
SPT(16)	2253886214939743991	0 6 122 158 162 210 242 258 260 276 308 356 360 396 512 518	-54548727906
SPT(16)	2253886269027230801	0 42 66 90 116 126 132 152 216 236 242 252 278 302 326 368	-461241096
SPT(16)	2253886441701645533	0 6 30 44 68 90 96 110 144 158 164 186 210 224 248 254	172213173636
STPT(10)	2253886585626986279	0 2 12 14 30 32 48 50 60 62	316138514382
SPT(16)	2253886606563183359	0 14 50 54 78 92 102 110 132 140 150 164 188 192 228 242	337074711462
STPT(10)	2253886679099631647	0 2 30 32 42 44 54 56 84 86	409611159750
SPT(16)	2253886935121229581	0 6 18 28 46 60 76 96 202 222 238 252 270 280 292 298	665632757684