n: 40 m: 191 packed: 13 density: 0 nodes: 0 solveTime: 820 buildTime: 20 solved: true
{0,13,23}
{1,16,28}
{2,19,39}
{3,14,20}
{4,31,37}
{5,26,34}
{6,24,30}
{7,15,21}
{8,17,32}
{9,22,35}
{10,29,36}
{11,27,33}
{12,25,38}