C3132121111133313233121111331333133313331333133313331333133313331311233313231   >>    C313212111113331323312111133133313331333133313331333133313331333131123331323   <<    C3132121111133313233121111331333133313331333133313331333133313331311233313233   >>      C3132121111133313233121111331333133313331333133313331333133313331311233313232   >>