n: 40 m: 356 packed: 13 density: 0 nodes: 0 solveTime: 8800 buildTime: 80 solved: true
{0,24,30}
{1,4,28}
{2,8,29}
{3,5,38}
{6,13,23}
{7,18,33}
{9,12,14}
{10,35,36}
{11,26,32}
{15,17,37}
{16,27,39}
{19,21,34}
{22,25,31}