n: 40 m: 422 packed: 13 density: 0 nodes: 0 solveTime: 9080 buildTime: 110 solved: true
{0,26,34}
{1,28,31}
{2,7,9}
{3,10,15}
{4,12,39}
{5,32,37}
{6,8,11}
{14,25,33}
{16,23,29}
{17,19,24}
{18,27,30}
{20,35,38}
{21,22,36}