C2212133313231331121111331333133313223313113313331333131133133313133313221   >>    C221213331323133112111133133313331322331311331333133313113313331313331322   <<    C2212133313231331121111331333133313223313113313331333131133133313133313223   >>      C2212133313231331121111331333133313223313113313331333131133133313133313222   >>