C132233133112121111331333133313331312121111133313331333132232313223313231211   >>    C13223313311212111133133313331333131212111113331333133313223231322331323121   <<    C132233133112121111331333133313331312121111133313331333132232313223313231213   >>      C132233133112121111331333133313331312121111133313331333132232313223313231212   >>