C22213331333133313112331323133313331333133313233211113313231121212213231   >>    C2221333133313331311233132313331333133313331323321111331323112121221323   <<    C22213331333133313112331323133313331333133313233211113313231121212213233   >>      C22213331333133313112331323133313331333133313233211113313231121212213232   >>