C2212133313231331121111331333133313331333131322331323231323131211   >>    C221213331323133112111133133313331333133313132233132323132313121   <<    C2212133313231331121111331333133313331333131322331323231323131213   >>      C2212133313231331121111331333133313331333131322331323231323131212   >>