C111112111133131121133133313331333133313331323133313331333131133133323211321   >>    C11111211113313112113313331333133313331333132313331333133313113313332321132   <<    C111112111133131121133133313331333133313331323133313331333131133133323211323   >>      C111112111133131121133133313331333133313331323133313331333131133133323211322   >>