C1111121111331311211331333133313331333133313231333133313331323213311221   >>    C111112111133131121133133313331333133313331323133313331333132321331122   <<    C1111121111331311211331333133313331333133313231333133313331323213311223   >>      C1111121111331311211331333133313331333133313231333133313331323213311222   >>