C11111333133313232233133313331333133313233231331121111331333313123221   >>    C1111133313331323223313331333133313331323323133112111133133331312322   <<    C11111333133313232233133313331333133313233231331121111331333313123223   >>      C11111333133313232233133313331333133313233231331121111331333313123222   >>