C1111121111331311211331333133313331333133313231333133313331311221123231231   >>    C111112111133131121133133313331333133313331323133313331333131122112323123   <<    C1111121111331311211331333133313331333133313231333133313331311221123231233   >>      C1111121111331311211331333133313331333133313231333133313331311221123231232   >>