<> <> <<>> <<>> <> <<>> <> 0 1 2 0 | X X X X X X X X 0 0 2 0 | X X X X X X X X <<>> <> 1 1 2 0 | 0 X X 0 X X 0 0 <> 3 0 2 0 | 0 X X 0 X X 0 0 3 0 2 0 | 0 X X 0 X X 0 0 3 0 2 0 | 0 X X 0 X X 0 0 3 0 2 0 | 0 X X 0 X X 0 0 <> 3 0 2 1 | 0 X X 0 X X 1 0 3 0 2 0 | 1 0 0 0 X X 0 1 3 0 2 0 | 0 X X 0 X X 0 0 <> 1 1 1 0 | 0 X X 0 X X 0 0 <> 3 0 1 1 | 0 X X 0 X X 1 0 3 0 1 0 | 1 1 0 0 X X 0 1 3 0 1 0 | 0 X X 0 X X 0 0 <> 2 1 2 0 | 0 X X 0 X X 0 0 <> 3 0 2 0 | 0 X X 0 X X 0 0 3 0 2 0 | 0 X X 0 X X 0 0 <> 3 0 2 1 | 0 X X 0 X X 0 0 3 0 2 0 | 1 1 1 1 0 0 1 1 3 0 2 0 | 0 X X 0 X X 0 0 <<>> .