C1111121111331311211331333133313331322133313331323133313331313233231   >>    C111112111133131121133133313331333132213331333132313331333131323323   <<    C1111121111331311211331333133313331322133313331323133313331313233233   >>      C1111121111331311211331333133313331322133313331323133313331313233232   >>