n: 40 m: 135 packed: 13 density: 0 nodes: 0 solveTime: 2080 buildTime: 10 solved: true
{0,18,34}
{1,3,8}
{2,4,37}
{5,14,31}
{6,22,39}
{7,15,16}
{9,11,19}
{10,28,33}
{12,13,38}
{17,35,36}
{20,29,32}
{21,25,27}
{23,26,30}