n: 40 m: 561 packed: 13 density: 0 nodes: 0 solveTime: 34010 buildTime: 180 solved: true
{0,32,37}
{1,14,30}
{2,26,28}
{3,4,11}
{6,15,39}
{7,10,16}
{8,34,38}
{9,12,18}
{13,23,31}
{17,29,35}
{19,27,36}
{20,21,33}
{22,24,25}