C11112331312111112111133133313331311331323212331333132332322123231   >>    C1111233131211111211113313331333131133132321233133313233232212323   <<    C11112331312111112111133133313331311331323212331333132332322123233   >>      C11112331312111112111133133313331311331323212331333132332322123232   >>