C1111121111331311211331333133313331333133313231333133313331323221223221   >>    C111112111133131121133133313331333133313331323133313331333132322122322   <<    C1111121111331311211331333133313331333133313231333133313331323221223223   >>      C1111121111331311211331333133313331333133313231333133313331323221223222   >>