n: 50 m: 536 packed: 16 density: 0 nodes: 0 solveTime: 31490 buildTime: 160 solved: true
{0,3,4}
{1,13,21}
{2,14,26}
{5,7,8}
{6,27,30}
{10,15,16}
{11,36,46}
{17,33,42}
{18,19,47}
{20,35,45}
{22,39,49}
{23,28,37}
{24,31,44}
{25,41,43}
{29,32,38}
{34,40,48}