C1111133313331323223313331333133313311211111211331333131133111121
>>
C111113331333132322331333133313331331121111121133133313113311112
<<
C1111133313331323223313331333133313311211111211331333131133111123
>>
C1111133313331323223313331333133313311211111211331333131133111122
>>