C2212133313231331121111331333133313223313113313331333132223132313221   >>    C221213331323133112111133133313331322331311331333133313222313231322   <<    C2212133313231331121111331333133313223313113313331333132223132313223   >>      C2212133313231331121111331333133313223313113313331333132223132313222   >>