C11112331312111112111133133313331333133313331333131133133313112113313222321   >>    C1111233131211111211113313331333133313331333133313113313331311211331322232   <<    C11112331312111112111133133313331333133313331333131133133313112113313222323   >>      C11112331312111112111133133313331333133313331333131133133313112113313222322   >>