n: 50 m: 439 packed: 16 density: 0 nodes: 0 solveTime: 15780 buildTime: 120 solved: true
{0,13,33}
{1,3,8}
{2,4,6}
{5,7,19}
{10,20,22}
{11,34,36}
{12,14,47}
{16,32,41}
{17,44,45}
{18,25,35}
{21,46,49}
{23,27,48}
{24,39,42}
{26,37,40}
{28,29,38}
{30,31,43}