C2212133313231331121111331333133313223313113313331333131121133123231   >>    C221213331323133112111133133313331322331311331333133313112113312323   <<    C2212133313231331121111331333133313223313113313331333131121133123233   >>      C2212133313231331121111331333133313223313113313331333131121133123232   >>