n: 40 m: 142 packed: 13 density: 0 nodes: 0 solveTime: 400 buildTime: 10 solved: true
{0,12,21}
{1,13,36}
{2,9,17}
{3,28,33}
{4,8,24}
{5,29,38}
{6,22,30}
{7,14,35}
{10,18,34}
{11,19,31}
{15,16,23}
{20,25,27}
{26,32,39}