n: 40 m: 319 packed: 13 density: 0 nodes: 0 solveTime: 4640 buildTime: 60 solved: true
{0,13,32}
{1,16,22}
{2,19,33}
{3,17,18}
{4,14,24}
{5,34,38}
{6,28,29}
{7,15,21}
{8,12,25}
{9,26,39}
{10,20,27}
{11,30,37}
{31,35,36}