n: 40 m: 181 packed: 13 density: 0 nodes: 0 solveTime: 400 buildTime: 20 solved: true
{0,7,10}
{1,13,24}
{2,9,12}
{3,28,33}
{4,32,34}
{5,8,14}
{6,11,15}
{16,30,35}
{17,27,36}
{19,20,23}
{21,26,31}
{22,25,39}
{29,37,38}