C2212133313231331121111331333133313223313113313331333131133131233221   >>    C221213331323133112111133133313331322331311331333133313113313123322   <<    C2212133313231331121111331333133313223313113313331333131133131233223   >>      C2212133313231331121111331333133313223313113313331333131133131233222   >>