n: 50 m: 509 packed: 16 density: 0 nodes: 0 solveTime: 32330 buildTime: 150 solved: true
{0,28,44}
{1,12,21}
{2,6,26}
{4,30,43}
{5,32,49}
{8,37,45}
{9,10,17}
{11,18,40}
{13,39,47}
{14,15,35}
{16,20,31}
{19,25,48}
{22,23,24}
{27,36,41}
{29,33,34}
{38,42,46}