n: 40 m: 252 packed: 13 density: 0 nodes: 0 solveTime: 3440 buildTime: 40 solved: true
{0,30,34}
{1,22,24}
{2,28,32}
{3,7,19}
{4,21,31}
{5,14,16}
{8,25,37}
{9,33,39}
{10,13,20}
{11,17,29}
{12,15,26}
{18,27,36}
{23,35,38}