C2212133313231331121111331333133313223313113313331333131133131213112222321   >>    C221213331323133112111133133313331322331311331333133313113313121311222232   <<    C2212133313231331121111331333133313223313113313331333131133131213112222323   >>      C2212133313231331121111331333133313223313113313331333131133131213112222322   >>