Prime p₀= 2306137923391832219 starts a Symmetric tuple of 20 consecutive primes (SPT).
d_n: 0 8 12 10 12 2 10 14 10 6 14 6 10 14 10 2 12 10 12 8 (?)
a_n: 0 8 20 30 42 44 54 68 78 84 98 104 114 128 138 140 152 162 174 182
All 20 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 182
Found by: eclipse99
db: batch=81, k=20, 8 12 10 12 2 10 14 10 6 14

STPT(12)	2306135218436113037	0 2 30 32 42 44 72 74 84 86 114 116	-2704955719182
SPT(16)	2306135839164198709	0 10 24 70 72 100 142 160 192 210 252 280 282 328 342 352	-2084227633510
SPT(16)	2306135980105620211	0 138 142 162 208 238 252 282 316 346 360 390 436 456 460 598	-1943286212008
STPT(10)	2306136181023640541	0 2 36 38 78 80 120 122 156 158	-1742368191678
STPT(10)	2306136991803955559	0 2 18 20 30 32 42 44 60 62	-931587876660
STPT(10)	2306137554047749031	0 2 30 32 78 80 126 128 156 158	-369344083188
STPT(10)	2306138047796635667	0 2 24 26 42 44 60 62 84 86	124404803448
STPT(10)	2306138185164842837	0 2 54 56 72 74 90 92 144 146	261773010618
STPT(10)	2306138367985953827	0 2 42 44 72 74 102 104 144 146	444594121608
SPT(16)	2306139893433702419	0 2 20 74 84 104 134 144 158 168 198 218 228 282 300 302	1970041870200
STPT(10)	2306139931889284367	0 2 30 32 60 62 90 92 120 122	2008497452148