n: 50 m: 158 packed: 16 density: 0 nodes: 0 solveTime: 18880 buildTime: 20 solved: true
{0,12,18}
{1,26,48}
{2,19,35}
{3,31,41}
{4,40,42}
{5,14,16}
{6,13,33}
{7,27,45}
{8,17,37}
{9,29,32}
{10,30,47}
{11,38,39}
{15,21,22}
{20,23,28}
{24,36,43}
{34,44,49}