C2212133313231331121111331333133313223313113313331311331323221322121   >>    C221213331323133112111133133313331322331311331333131133132322132212   <<    C2212133313231331121111331333133313223313113313331311331323221322123   >>      C2212133313231331121111331333133313223313113313331311331323221322122   >>