C1111121111331311211331333133313331333133313233211113313331333133313222333131   >>    C111112111133131121133133313331333133313331323321111331333133313331322233313   <<    C1111121111331311211331333133313331333133313233211113313331333133313222333133   >>      C1111121111331311211331333133313331333133313233211113313331333133313222333132   >>