C11111333133313232233133313331333133313233333331333133313221213131
>>
C1111133313331323223313331333133313331323333333133313331322121313
<<
C11111333133313232233133313331333133313233333331333133313221213133
>>
C11111333133313232233133313331333133313233333331333133313221213132
>>