n: 50 m: 271 packed: 16 density: 0 nodes: 0 solveTime: 1580 buildTime: 50 solved: true
{0,26,27}
{1,31,33}
{2,9,43}
{3,35,45}
{4,10,32}
{5,11,18}
{6,7,13}
{8,24,48}
{12,20,30}
{15,38,41}
{16,37,46}
{17,39,42}
{19,29,47}
{21,22,40}
{23,25,28}
{34,44,49}