C11111333133313232233133313331333133313223313331313231232313221
>>
C1111133313331323223313331333133313331322331333131323123231322
<<
C11111333133313232233133313331333133313223313331313231232313223
>>
C11111333133313232233133313331333133313223313331313231232313222
>>