n: 40 m: 425 packed: 13 density: 0 nodes: 0 solveTime: 7680 buildTime: 110 solved: true
{0,22,32}
{1,12,17}
{2,14,16}
{3,13,26}
{4,11,29}
{5,30,36}
{6,7,25}
{8,38,39}
{9,10,31}
{15,33,34}
{18,24,28}
{19,27,37}
{20,21,35}