D121213233313132233132333131313231333132333131323331323233232311   >>    D12121323331313223313233313131323133313233313132333132323323231   <<    D121213233313132233132333131313231333132333131323331323233232313   >>      D121213233313132233132333131313231333132333131323331323233232312   >>