C3132121111133313233121111331333133313331333133313331333133313311221311231   >>    C313212111113331323312111133133313331333133313331333133313331331122131123   <<    C3132121111133313233121111331333133313331333133313331333133313311221311233   >>      C3132121111133313233121111331333133313331333133313331333133313311221311232   >>