C1111121111331311211331333133313331333133313231333133313311211111312323221   >>    C111112111133131121133133313331333133313331323133313331331121111131232322   <<    C1111121111331311211331333133313331333133313231333133313311211111312323223   >>      C1111121111331311211331333133313331333133313231333133313311211111312323222   >>