n: 50 m: 147 packed: 16 density: 0 nodes: 0 solveTime: 3180 buildTime: 10 solved: true
{1,15,21}
{2,4,11}
{3,26,28}
{5,19,49}
{6,23,29}
{7,44,45}
{8,20,35}
{9,14,36}
{10,24,43}
{12,17,42}
{13,22,40}
{16,30,46}
{18,34,48}
{25,32,38}
{27,33,39}
{31,37,41}