n: 40 m: 568 packed: 13 density: 0 nodes: 0 solveTime: 29520 buildTime: 180 solved: true
{0,14,32}
{1,2,21}
{3,7,18}
{4,12,15}
{5,6,37}
{8,33,34}
{9,22,23}
{10,19,20}
{11,24,36}
{13,35,39}
{16,26,38}
{17,28,30}
{25,27,29}