n: 40 m: 330 packed: 13 density: 0 nodes: 0 solveTime: 6060 buildTime: 60 solved: true
{0,22,38}
{1,6,25}
{2,18,27}
{3,7,14}
{4,16,19}
{5,17,36}
{8,23,31}
{9,13,20}
{10,24,30}
{11,26,28}
{12,15,35}
{21,32,34}
{29,37,39}