C2212133313231331121111331333133313223313113313331333131211111222121   >>    C221213331323133112111133133313331322331311331333133313121111122212   <<    C2212133313231331121111331333133313223313113313331333131211111222123   >>      C2212133313231331121111331333133313223313113313331333131211111222122   >>