n: 40 m: 225 packed: 13 density: 0 nodes: 0 solveTime: 1220 buildTime: 30 solved: true
{0,8,15}
{1,11,21}
{2,10,24}
{3,29,37}
{4,26,38}
{5,13,20}
{6,9,28}
{7,14,30}
{12,31,34}
{16,25,32}
{17,36,39}
{18,19,27}
{23,33,35}