n: 40 m: 109 packed: 13 density: 0 nodes: 0 solveTime: 80 buildTime: 10 solved: true
{0,14,21}
{1,2,31}
{3,16,29}
{4,13,27}
{5,19,23}
{6,10,17}
{7,22,28}
{8,26,32}
{9,11,24}
{15,20,34}
{18,33,37}
{25,35,38}
{30,36,39}