n: 50 m: 197 packed: 16 density: 0 nodes: 0 solveTime: 2960 buildTime: 20 solved: true
{0,9,21}
{1,32,34}
{2,37,41}
{3,28,40}
{4,38,45}
{5,31,44}
{6,16,26}
{8,12,22}
{10,33,39}
{11,13,43}
{14,18,30}
{15,20,35}
{17,25,36}
{19,42,47}
{23,27,49}
{29,46,48}