C3132121111133313233121111331333133313331333133313331331121111113313231322331   >>    C313212111113331323312111133133313331333133313331333133112111111331323132233   <<    C3132121111133313233121111331333133313331333133313331331121111113313231322333   >>      C3132121111133313233121111331333133313331333133313331331121111113313231322332   >>