C22213331333133313112331323133313331333133313233211113313231333133313232313331   >>    C2221333133313331311233132313331333133313331323321111331323133313331323231333   <<    C22213331333133313112331323133313331333133313233211113313231333133313232313333   >>      C22213331333133313112331323133313331333133313233211113313231333133313232313332   >>