C22213331333133313112331323133313331333133313233211331323322321   >>    C2221333133313331311233132313331333133313331323321133132332232   <<    C22213331333133313112331323133313331333133313233211331323322323   >>      C22213331333133313112331323133313331333133313233211331323322322   >>