n: 40 m: 267 packed: 13 density: 0 nodes: 0 solveTime: 1900 buildTime: 40 solved: true
{0,14,16}
{1,18,38}
{2,21,34}
{3,19,36}
{4,15,32}
{5,12,25}
{6,11,24}
{7,23,26}
{8,22,27}
{9,13,29}
{10,17,39}
{20,31,35}
{28,30,37}