n: 40 m: 393 packed: 13 density: 0 nodes: 0 solveTime: 11000 buildTime: 90 solved: true
{0,7,18}
{1,30,33}
{2,5,12}
{3,31,37}
{4,8,11}
{6,20,24}
{9,13,25}
{14,15,38}
{16,23,36}
{17,35,39}
{19,26,28}
{21,22,32}
{27,29,34}