n: 40 m: 331 packed: 13 density: 0 nodes: 0 solveTime: 3160 buildTime: 60 solved: true
{0,14,32}
{1,16,21}
{2,17,27}
{3,6,7}
{4,23,39}
{5,8,9}
{10,19,26}
{11,34,36}
{12,20,35}
{13,22,25}
{15,30,33}
{18,31,38}
{28,29,37}