n: 40 m: 113 packed: 13 density: 0 nodes: 0 solveTime: 1600 buildTime: 10 solved: true
{0,12,25}
{1,2,31}
{3,4,9}
{5,22,28}
{6,17,37}
{7,10,23}
{8,18,32}
{11,13,29}
{14,34,38}
{15,35,39}
{16,20,30}
{19,24,27}
{21,26,36}