n: 40 m: 195 packed: 13 density: 0 nodes: 0 solveTime: 2300 buildTime: 30 solved: true
{0,16,25}
{1,13,19}
{2,26,36}
{3,31,39}
{4,5,24}
{6,7,27}
{8,23,33}
{9,11,12}
{10,14,17}
{18,20,37}
{21,29,38}
{22,28,34}
{30,32,35}