n: 50 m: 171 packed: 16 density: 0 nodes: 0 solveTime: 4440 buildTime: 20 solved: true
{0,18,34}
{1,32,37}
{2,4,7}
{3,43,46}
{5,19,49}
{6,29,38}
{8,25,28}
{9,14,26}
{10,23,24}
{11,17,20}
{12,30,35}
{13,36,47}
{15,39,40}
{21,42,48}
{22,27,45}
{33,41,44}