n: 50 m: 559 packed: 16 density: 0 nodes: 0 solveTime: 21060 buildTime: 180 solved: true
{0,2,7}
{1,32,39}
{3,12,30}
{6,9,17}
{8,10,15}
{11,26,37}
{13,38,43}
{14,47,49}
{16,28,44}
{18,25,40}
{19,34,35}
{20,29,33}
{21,27,45}
{22,46,48}
{23,24,41}
{31,36,42}