Prime p₀= 2747054319523977193 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 16 42 6 2 12 6 6 36 22 36 6 6 12 2 6 42 16 (?)
a_n: 0 16 58 64 66 78 84 90 126 148 184 190 196 208 210 216 258 274
All 18 integers p_n = p₀+a_n = p_n-1+d_n are prime and there are no other primes in the gaps.
diameter: 274
Found by: JayPi
db: batch=82, k=18, 16 42 6 2 12 6 6 36 22

SPT(16)	2747052608635665293	0 14 56 66 96 108 110 126 248 264 266 278 308 318 360 374	-1710888311900
STPT(10)	2747053371554317949	0 2 12 14 30 32 48 50 60 62	-947969659244
STPT(10)	2747053398408728081	0 2 30 32 78 80 126 128 156 158	-921115249112
SPT(16)	2747053782412790261	0 20 26 42 66 80 90 102 146 158 168 182 206 222 228 248	-537111186932
SPT(16)	2747053787844611963	0 44 54 78 90 104 170 188 246 264 330 344 356 380 390 434	-531679365230
STPT(10)	2747054170912287317	0 2 54 56 72 74 90 92 144 146	-148611689876
SPT(16)	2747054908171694779	0 40 184 214 220 228 240 250 252 262 274 282 288 318 462 502	588647717586
STPT(10)	2747055760432404467	0 2 12 14 72 74 132 134 144 146	1440908427274
STPT(10)	2747055792530786921	0 2 30 32 60 62 90 92 120 122	1473006809728
STPT(10)	2747056142335960331	0 2 30 32 60 62 90 92 120 122	1822811983138
STPT(12)	2747056169125581407	0 2 12 14 42 44 90 92 120 122 132 134	1849601604214