Prime p₀= 2755649646120340609 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 52 26 12 22 20 22 24 6 74 6 24 22 20 22 12 26 52 (?)
a_n: 0 52 78 90 112 132 154 178 184 258 264 288 310 330 352 364 390 442
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: 442
Found by: [SG-FC] hl
db: batch=82, k=18, 52 26 12 22 20 22 24 6 74

STPT(10)	2755647956181529679	0 2 48 50 90 92 132 134 180 182	-1689938810930
SPT(16)	2755648278826613197	0 16 24 40 46 100 102 144 262 304 306 360 366 382 390 406	-1367293727412
SPT(16)	2755648359493146283	0 6 34 36 108 118 150 166 288 304 336 346 418 420 448 454	-1286627194326
SPT(16)	2755648749993532399	0 4 24 30 58 90 94 100 168 174 178 210 238 244 264 268	-896126808210
STPT(10)	2755648849114059719	0 2 42 44 60 62 78 80 120 122	-797006280890
SPT(16)	2755649592722761201	0 36 46 70 78 82 96 106 192 202 216 220 228 252 262 298	-53397579408
SPT(16)	2755649721348208411	0 12 46 60 132 156 172 180 202 210 226 250 322 336 370 382	75227867802
SPT(16)	2755649751873613139	0 32 84 114 138 158 164 194 198 228 234 254 278 308 360 392	105753272530
SPT(16)	2755649833273239151	0 12 22 100 118 120 130 160 168 198 208 210 228 306 316 328	187152898542
SPT(16)	2755650206926113347	0 6 42 44 56 92 120 134 222 236 264 300 312 314 350 356	560805772738
SPT(16)	2755650251352103433	0 6 26 30 48 66 84 96 98 110 128 146 164 168 188 194	605231762824