C1111133313331323223313331333133313311211111211331333133313233311232212121
>>
C111113331333132322331333133313331331121111121133133313331323331123221212
<<
C1111133313331323223313331333133313311211111211331333133313233311232212123
>>
C1111133313331323223313331333133313311211111211331333133313233311232212122
>>