n: 50 m: 374 packed: 16 density: 0 nodes: 0 solveTime: 6730 buildTime: 80 solved: true
{0,18,20}
{1,24,25}
{2,19,32}
{3,34,49}
{4,17,45}
{5,21,39}
{6,44,48}
{7,33,42}
{8,10,36}
{9,29,41}
{11,22,23}
{12,16,46}
{13,15,35}
{14,28,30}
{27,40,47}
{31,37,38}