n: 40 m: 215 packed: 13 density: 0 nodes: 0 solveTime: 970 buildTime: 30 solved: true
{0,3,9}
{1,13,21}
{2,12,39}
{4,10,28}
{5,15,36}
{6,19,23}
{7,27,30}
{8,16,32}
{11,14,26}
{17,34,37}
{18,22,25}
{20,35,38}
{29,31,33}