n: 40 m: 524 packed: 13 density: 0 nodes: 0 solveTime: 28970 buildTime: 160 solved: true
{0,5,34}
{1,9,10}
{2,17,21}
{3,6,8}
{4,13,26}
{11,14,38}
{12,25,36}
{15,18,22}
{16,23,35}
{19,31,37}
{20,27,32}
{24,29,30}
{28,33,39}