C1111133313331323223313331333133313311211111211331313331211211311
>>
C111113331333132322331333133313331331121111121133131333121121131
<<
C1111133313331323223313331333133313311211111211331313331211211313
>>
C1111133313331323223313331333133313311211111211331313331211211312
>>