n: 40 m: 403 packed: 13 density: 0 nodes: 0 solveTime: 10570 buildTime: 90 solved: true
{0,13,22}
{1,20,26}
{2,32,36}
{3,12,21}
{4,19,25}
{5,16,28}
{6,10,15}
{7,23,31}
{8,9,18}
{11,14,38}
{17,24,35}
{29,34,39}
{30,33,37}