C3132121111133313233121111331333133313331333133313331333133313331132131   >>    C313212111113331323312111133133313331333133313331333133313331333113213   <<    C3132121111133313233121111331333133313331333133313331333133313331132133   >>      C3132121111133313233121111331333133313331333133313331333133313331132132   >>