n: 40 m: 331 packed: 13 density: 0 nodes: 0 solveTime: 2790 buildTime: 70 solved: true
{0,30,32}
{1,2,19}
{3,14,25}
{4,17,18}
{5,6,8}
{7,33,38}
{9,26,27}
{10,29,36}
{11,20,22}
{12,24,34}
{13,15,35}
{16,28,31}
{21,37,39}