C1111121111331311211331333133313331333133313231333133313331333131321131121   >>    C111112111133131121133133313331333133313331323133313331333133313132113112   <<    C1111121111331311211331333133313331333133313231333133313331333131321131123   >>      C1111121111331311211331333133313331333133313231333133313331333131321131122   >>