Prime p₀= 2992387699417878887 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 2 4 6 48 14 42 10 18 8 18 10 42 14 48 6 4 2 (?)
a_n: 0 2 6 12 60 74 116 126 144 152 170 180 222 236 284 290 294 296
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: 296
Found by: Roadranner
db: batch=82, k=18, 2 4 6 48 14 42 10 18 8

STPT(10)	2992385721289268327	0 2 90 92 102 104 114 116 204 206	-1978128610560
SPT(16)	2992386117234678839	0 12 50 104 122 132 140 152 162 174 182 192 210 264 302 314	-1582183200048
STPT(10)	2992386868793632109	0 2 48 50 60 62 72 74 120 122	-830624246778
SPT(16)	2992387193875192147	0 16 46 84 166 202 222 240 436 454 474 510 592 630 660 676	-505542686740
TPT(14)	2992387209300040931	0 2 96 98 168 170 198 200 240 242 306 308 366 368	-490117837956
STPT(10)	2992387514898158471	0 2 6 8 48 50 90 92 96 98	-184519720416
STPT(10)	2992387858467101399	0 2 42 44 90 92 138 140 180 182	159049222512
STPT(10)	2992388066813544569	0 2 42 44 60 62 78 80 120 122	367395665682
SPT(16)	2992388124283981529	0 2 8 12 14 32 72 74 78 80 120 138 140 144 150 152	424866102642
STPT(10)	2992388546036716361	0 2 6 8 108 110 210 212 216 218	846618837474
SPT(16)	2992390129572211243	0 10 24 94 100 108 124 156 208 240 256 264 270 340 354 364	2430154332356