n: 50 m: 542 packed: 16 density: 0 nodes: 0 solveTime: 31010 buildTime: 170 solved: true
{0,4,21}
{1,29,49}
{2,7,8}
{3,15,22}
{6,30,42}
{9,18,47}
{10,26,35}
{11,36,38}
{12,43,48}
{13,14,20}
{16,37,41}
{17,28,32}
{19,31,45}
{23,25,34}
{24,39,44}
{27,33,40}