n: 50 m: 257 packed: 16 density: 0 nodes: 0 solveTime: 1810 buildTime: 40 solved: true
{0,18,23}
{1,16,35}
{2,29,32}
{3,19,40}
{4,17,20}
{5,9,41}
{7,28,34}
{8,38,45}
{10,22,39}
{11,25,33}
{12,31,44}
{13,27,43}
{14,15,46}
{21,47,48}
{26,30,42}
{36,37,49}