D33123232233131133131323323132333131323223313223313133313233313232213231111   >>    D3312323223313113313132332313233313132322331322331313331323331323221323111   <<    D33123232233131133131323323132333131323223313223313133313233313232213231113   >>      D33123232233131133131323323132333131323223313223313133313233313232213231112   >>