C312312111111331312111133133313331331121111331333133313232233112121121
>>
C31231211111133131211113313331333133112111133133313331323223311212112
<<
C312312111111331312111133133313331331121111331333133313232233112121123
>>
C312312111111331312111133133313331331121111331333133313232233112121122
>>