C2212133313231331121111331333133313223313113313331333132213231231   >>    C221213331323133112111133133313331322331311331333133313221323123   <<    C2212133313231331121111331333133313223313113313331333132213231233   >>      C2212133313231331121111331333133313223313113313331333132213231232   >>