C1111133313331323223313331333133313331333131211113313331122112311   >>    C111113331333132322331333133313331333133313121111331333112211231   <<    C1111133313331323223313331333133313331333131211113313331122112313   >>      C1111133313331323223313331333133313331333131211113313331122112312   >>