D121212121213132322331323323132333131323133313132321133132313232212131   >>    D12121212121313232233132332313233313132313331313232113313231323221213   <<    D121212121213132322331323323132333131323133313132321133132313232212133   >>      D121212121213132322331323323132333131323133313132321133132313232212132   >>