D12121212213231323132323323132322331323132322133313233313231333221   >>    D1212121221323132313232332313232233132313232213331323331323133322   <<    D12121212213231323132323323132322331323132322133313233313231333223   >>      D12121212213231323132323323132322331323132322133313233313231333222   >>