D1212121212131323223313233231323331313231333131323211331323131323211
>>
D121212121213132322331323323132333131323133313132321133132313132321
<<
D1212121212131323223313233231323331313231333131323211331323131323213
>>
D1212121212131323223313233231323331313231333131323211331323131323212
>>