n: 40 m: 121 packed: 13 density: 0 nodes: 0 solveTime: 580 buildTime: 20 solved: true
{0,8,18}
{1,10,26}
{2,14,30}
{3,5,32}
{4,7,31}
{6,11,12}
{9,35,37}
{13,15,24}
{16,19,36}
{17,27,34}
{20,21,38}
{22,25,28}
{29,33,39}