C2212133313231331121111331333133313223313113313331333131131133133323321   >>    C221213331323133112111133133313331322331311331333133313113113313332332   <<    C2212133313231331121111331333133313223313113313331333131131133133323323   >>      C2212133313231331121111331333133313223313113313331333131131133133323322   >>