n: 40 m: 282 packed: 13 density: 0 nodes: 0 solveTime: 1610 buildTime: 40 solved: true
{0,23,37}
{1,4,18}
{2,5,25}
{3,8,9}
{6,26,35}
{7,21,33}
{10,11,27}
{12,13,14}
{15,20,29}
{16,30,32}
{17,31,34}
{19,24,39}
{28,36,38}