C22213331333133313112331323133313331333133311211331121121132321   >>    C2221333133313331311233132313331333133313331121133112112113232   <<    C22213331333133313112331323133313331333133311211331121121132323   >>      C22213331333133313112331323133313331333133311211331121121132322   >>