n: 40 m: 220 packed: 13 density: 0 nodes: 0 solveTime: 830 buildTime: 30 solved: true
{0,11,39}
{1,5,8}
{2,24,30}
{3,17,21}
{4,28,34}
{6,27,33}
{7,14,16}
{9,12,37}
{10,13,26}
{15,35,38}
{18,19,29}
{20,22,23}
{25,31,32}