C11112331312111112111133133313331333133313133313331333132313331311213112111   >>    C1111233131211111211113313331333133313331313331333133313231333131121311211   <<    C11112331312111112111133133313331333133313133313331333132313331311213112113   >>      C11112331312111112111133133313331333133313133313331333132313331311213112112   >>