C22213331333133313112331323133313331333133313233211113313231331121133122321   >>    C2221333133313331311233132313331333133313331323321111331323133112113312232   <<    C22213331333133313112331323133313331333133313233211113313231331121133122323   >>      C22213331333133313112331323133313331333133313233211113313231331121133122322   >>