C11112331312111112111133133313331333133112111113331333133313331333132212323111   >>    C1111233131211111211113313331333133313311211111333133313331333133313221232311   <<    C11112331312111112111133133313331333133112111113331333133313331333132212323113   >>      C11112331312111112111133133313331333133112111113331333133313331333132212323112   >>