C22213331333133313112331323133313331333133313233212323132311321   >>    C2221333133313331311233132313331333133313331323321232313231132   <<    C22213331333133313112331323133313331333133313233212323132311323   >>      C22213331333133313112331323133313331333133313233212323132311322   >>