n: 40 m: 556 packed: 13 density: 0 nodes: 0 solveTime: 89420 buildTime: 180 solved: true
{0,1,10}
{2,4,14}
{3,30,39}
{5,6,23}
{7,12,28}
{8,11,16}
{9,13,26}
{17,34,36}
{18,27,29}
{19,22,25}
{20,31,38}
{21,32,37}
{24,33,35}