Prime p₀= 2621670267944184341 starts a Symmetric tuple of 18 consecutive primes (SPT).
d_n: 0 2 46 30 32 16 2 28 60 86 60 28 2 16 32 30 46 2 (?)
a_n: 0 2 48 78 110 126 128 156 216 302 362 390 392 408 440 470 516 518
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: 518
Found by: [SG-FC] hl
db: batch=82, k=18, 2 46 30 32 16 2 28 60 86

STPT(10)	2621669459728174967	0 2 42 44 72 74 102 104 144 146	-808216009374
STPT(10)	2621669786028119039	0 2 12 14 90 92 168 170 180 182	-481916065302
TPT(14)	2621670028865059811	0 2 90 92 168 170 210 212 216 218 240 242 246 248	-239079124530
STPT(10)	2621670125773980641	0 2 6 8 48 50 90 92 96 98	-142170203700
SPT(16)	2621670165639951499	0 10 24 40 78 82 108 112 120 124 150 154 192 208 222 232	-102304232842
STPT(10)	2621670223417939229	0 2 48 50 90 92 132 134 180 182	-44526245112
STPT(10)	2621670614736670697	0 2 30 32 72 74 114 116 144 146	346792486356
SPT(16)	2621671062622712017	0 24 36 66 144 172 190 192 274 276 294 322 400 430 442 466	794678527676
TPT(16)	2621671083566731277	0 2 30 32 72 74 90 92 102 104 132 134 174 176 210 212	815622546936
STPT(10)	2621671213972750787	0 2 12 14 42 44 72 74 84 86	946028566446
SPT(16)	2621671468004955823	0 28 30 36 46 84 100 130 144 174 190 228 238 244 246 274	1200060771482