n: 40 m: 119 packed: 13 density: 0 nodes: 0 solveTime: 480 buildTime: 10 solved: true
{0,11,16}
{1,17,29}
{2,31,37}
{3,12,27}
{4,14,25}
{5,6,35}
{7,9,26}
{8,19,22}
{10,32,38}
{13,30,34}
{15,28,33}
{18,24,39}
{20,21,36}