n: 50 m: 438 packed: 16 density: 0 nodes: 0 solveTime: 11920 buildTime: 110 solved: true
{0,33,40}
{1,16,20}
{2,6,26}
{3,4,19}
{5,7,28}
{8,9,13}
{10,21,46}
{11,17,31}
{12,23,36}
{14,44,48}
{15,43,45}
{18,30,39}
{22,24,29}
{27,41,47}
{32,38,42}
{34,35,49}