C1111133313331323223313331333133313331333133333313231323132212131
>>
C111113331333132322331333133313331333133313333331323132313221213
<<
C1111133313331323223313331333133313331333133333313231323132212133
>>
C1111133313331323223313331333133313331333133333313231323132212132
>>