D12121212213231323132323323132322331323132322133313232313231111   >>    D1212121221323132313232332313232233132313232213331323231323111   <<    D12121212213231323132323323132322331323132322133313232313231113   >>      D12121212213231323132323323132322331323132322133313232313231112   >>