n: 50 m: 230 packed: 16 density: 0 nodes: 0 solveTime: 1400 buildTime: 30 solved: true
{0,20,24}
{1,33,49}
{2,17,31}
{3,19,44}
{4,32,43}
{5,25,35}
{6,38,45}
{7,12,40}
{8,41,48}
{9,11,47}
{10,15,28}
{13,16,36}
{14,18,22}
{21,26,34}
{23,30,37}
{27,29,39}