C1111133313331323223313331333133313311211111211331323132322212121
>>
C111113331333132322331333133313331331121111121133132313232221212
<<
C1111133313331323223313331333133313311211111211331323132322212123
>>
C1111133313331323223313331333133313311211111211331323132322212122
>>