n: 40 m: 124 packed: 13 density: 0 nodes: 0 solveTime: 370 buildTime: 10 solved: true
{0,9,18}
{1,17,21}
{2,29,39}
{3,16,20}
{4,24,25}
{5,14,15}
{6,23,31}
{7,34,38}
{8,28,37}
{10,27,32}
{11,12,26}
{19,22,35}
{30,33,36}