n: 40 m: 232 packed: 13 density: 0 nodes: 0 solveTime: 1280 buildTime: 50 solved: true
{0,9,24}
{1,29,35}
{2,5,6}
{3,4,32}
{7,16,25}
{8,13,33}
{10,31,36}
{11,18,30}
{12,14,39}
{15,20,23}
{17,22,34}
{19,21,27}
{28,37,38}