C3132121111133313233121111331333133313331333133313331333133313223313231232311   >>    C313212111113331323312111133133313331333133313331333133313331322331323123231   <<    C3132121111133313233121111331333133313331333133313331333133313223313231232313   >>      C3132121111133313233121111331333133313331333133313331333133313223313231232312   >>