n: 50 m: 318 packed: 16 density: 0 nodes: 0 solveTime: 3510 buildTime: 60 solved: true
{0,30,31}
{1,2,23}
{3,29,32}
{4,10,20}
{5,6,15}
{8,41,48}
{9,28,37}
{11,42,45}
{12,33,39}
{13,14,16}
{17,26,36}
{18,34,46}
{19,25,43}
{21,35,40}
{22,27,44}
{24,38,49}