C1111133313331323223313331333133313311211111211331323133313113121121
>>
C111113331333132322331333133313331331121111121133132313331311312112
<<
C1111133313331323223313331333133313311211111211331323133313113121123
>>
C1111133313331323223313331333133313311211111211331323133313113121122
>>