n: 50 m: 446 packed: 16 density: 0 nodes: 0 solveTime: 10990 buildTime: 110 solved: true
{0,20,29}
{1,35,43}
{2,15,36}
{3,10,13}
{4,12,26}
{5,6,7}
{8,9,16}
{11,14,24}
{19,21,32}
{22,30,33}
{23,40,46}
{25,34,45}
{27,31,39}
{28,37,44}
{38,42,48}
{41,47,49}