C11112331312111112111133133313331333132311211331311331323133313331333131323221   >>    C1111233131211111211113313331333133313231121133131133132313331333133313132322   <<    C11112331312111112111133133313331333132311211331311331323133313331333131323223   >>      C11112331312111112111133133313331333132311211331311331323133313331333131323222   >>