n: 40 m: 183 packed: 13 density: 0 nodes: 0 solveTime: 770 buildTime: 20 solved: true
{0,20,36}
{1,9,35}
{2,27,39}
{3,13,28}
{4,5,25}
{6,29,38}
{7,14,31}
{8,10,16}
{11,32,34}
{12,30,37}
{15,17,22}
{18,23,24}
{19,21,26}