Prime p₀= 1538949384903857819 starts a Symmetric tuple of 12 consecutive primes, which form 6 twin primes (STPT).
d_n: 0 2 46 2 22 2 124 2 22 2 46 2 (?)
a_n: 0 2 48 50 72 74 198 200 222 224 270 272
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: 272
Found by: biodoc
db: batch=78, k=12, 2 46 2 22 2 124

STPT(10)	1538948580917234699	0 2 18 20 60 62 102 104 120 122	-803986623120
SPT(16)	1538948623764668993	0 18 24 44 48 84 114 174 224 284 314 350 354 374 380 398	-761139188826
SPT(16)	1538948950791694171	0 22 72 78 90 108 120 132 136 148 160 178 190 196 246 268	-434112163648
SPT(16)	1538949305706424219	0 18 24 70 88 100 130 142 180 192 222 234 252 298 304 322	-79197433600
SPT(16)	1538949357630068011	0 60 70 88 118 136 138 148 150 160 162 180 210 228 238 298	-27273789808
STPT(10)	1538949383771648267	0 2 12 14 42 44 72 74 84 86	-1132209552
STPT(10)	1538949642077952569	0 2 48 50 90 92 132 134 180 182	257174094750
SPT(16)	1538949797781705971	0 6 12 26 110 120 126 182 210 266 272 282 366 380 386 392	412877848152
SPT(16)	1538949879005186489	0 14 84 108 150 162 174 212 540 578 590 602 644 668 738 752	494101328670
STPT(10)	1538949909375608909	0 2 12 14 90 92 168 170 180 182	524471751090
STPT(10)	1538950017926112287	0 2 12 14 42 44 72 74 84 86	633022254468