C3132121111133313233121111331333133313331333133313331333133313331311112132311   >>    C313212111113331323312111133133313331333133313331333133313331333131111213231   <<    C3132121111133313233121111331333133313331333133313331333133313331311112132313   >>      C3132121111133313233121111331333133313331333133313331333133313331311112132312   >>