n: 50 m: 248 packed: 16 density: 0 nodes: 0 solveTime: 3400 buildTime: 40 solved: true
{0,12,13}
{1,18,19}
{2,16,23}
{3,27,45}
{4,39,44}
{5,26,30}
{6,17,49}
{7,15,46}
{8,20,41}
{9,22,35}
{10,28,33}
{11,31,32}
{14,25,29}
{21,34,37}
{36,40,48}
{38,42,43}