C1111133313331323223313331333133313311211111211331333133313333133313111122121
>>
C111113331333132322331333133313331331121111121133133313331333313331311112212
<<
C1111133313331323223313331333133313311211111211331333133313333133313111122123
>>
C1111133313331323223313331333133313311211111211331333133313333133313111122122
>>