C312312111111331312111133133313331333131331123313331313232233131
>>
C31231211111133131211113313331333133313133112331333131323223313
<<
C312312111111331312111133133313331333131331123313331313232233133
>>
C312312111111331312111133133313331333131331123313331313232233132
>>