C312312111111331312111133133313331323121111133313331333133311221123113231
>>
C31231211111133131211113313331333132312111113331333133313331122112311323
<<
C312312111111331312111133133313331323121111133313331333133311221123113233
>>
C312312111111331312111133133313331323121111133313331333133311221123113232
>>