n: 40 m: 600 packed: 13 density: 0 nodes: 0 solveTime: 41500 buildTime: 220 solved: true
{0,7,21}
{1,9,33}
{2,3,14}
{4,32,35}
{5,16,20}
{6,13,18}
{10,25,26}
{11,29,36}
{12,30,34}
{15,17,24}
{19,27,38}
{22,23,37}
{28,31,39}