C3132121111133313233121111331333133313331333133313331333133313331311112331211   >>    C313212111113331323312111133133313331333133313331333133313331333131111233121   <<    C3132121111133313233121111331333133313331333133313331333133313331311112331213   >>      C3132121111133313233121111331333133313331333133313331333133313331311112331212   >>