C111112111133131121133133313331333133313331323221211111211113313331333131222321   >>    C11111211113313112113313331333133313331333132322121111121111331333133313122232   <<    C111112111133131121133133313331333133313331323221211111211113313331333131222323   >>      C111112111133131121133133313331333133313331323221211111211113313331333131222322   >>