C1111121111331311211331333133313331323132322331323133313132333211221   >>    C111112111133131121133133313331333132313232233132313331313233321122   <<    C1111121111331311211331333133313331323132322331323133313132333211223   >>      C1111121111331311211331333133313331323132322331323133313132333211222   >>