n: 40 m: 547 packed: 13 density: 0 nodes: 0 solveTime: 18180 buildTime: 180 solved: true
{0,21,35}
{1,4,26}
{2,5,11}
{3,8,12}
{7,32,36}
{9,15,29}
{10,24,28}
{13,27,37}
{14,16,31}
{17,18,30}
{19,23,39}
{20,33,38}
{22,25,34}