The arrangement size:
   |V| = 2 (plus 7 at infinity),  |E| = 7,  |F| = 6 (6 unbounded)

Face no. 1(1,0):  [ R 0 -1 2 -2] (0 -1) [ R 0 -1 -2 -2]  [ ... ]  [ ... ]  [ ... ]
Face no. 2(1,0):  [ R 0 0 1 1] (0 0) [ R 0 0 1 -0]  [ ... ]
Face no. 3(1,0): (0 0) [ R 0 0 -1 1]  [ ... ]  [ R 0 0 -1 0] (0 0)
Face no. 4(1,0):  [ R 0 0 0 1] (0 0) [ R 0 0 1 1]  [ ... ]  [ ... ]
Face no. 5(1,0): (0 -1) [ R 0 -1 2 -2]  [ ... ]  [ R 0 0 1 -0] (0 0) [ R 0 0 -1 0]  [ ... ]  [ R 0 -1 -2 -2] (0 -1)
Face no. 6(1,0): (0 0) [ R 0 0 0 1]  [ ... ]  [ ... ]  [ R 0 0 -1 1] (0 0)
