n: 40 m: 694 packed: 13 density: 0 nodes: 0 solveTime: 134990 buildTime: 290 solved: true
{0,28,33}
{1,7,34}
{2,12,18}
{3,6,24}
{4,14,19}
{5,9,21}
{8,27,36}
{10,16,23}
{11,13,22}
{15,25,35}
{17,31,32}
{20,26,38}
{30,37,39}