C11111333133313232233133313331333133112213231333131232313232221
>>
C1111133313331323223313331333133313311221323133313123231323222
<<
C11111333133313232233133313331333133112213231333131232313232223
>>
C11111333133313232233133313331333133112213231333131232313232222
>>