n: 40 m: 146 packed: 13 density: 0 nodes: 0 solveTime: 220 buildTime: 10 solved: true
{0,30,37}
{1,23,35}
{2,11,16}
{3,5,39}
{4,24,34}
{6,29,33}
{7,27,38}
{8,9,14}
{10,12,18}
{13,15,25}
{17,28,36}
{19,21,32}
{20,26,31}