C1111133313331323223313331333133313311211111211331323133313123233111
>>
C111113331333132322331333133313331331121111121133132313331312323311
<<
C1111133313331323223313331333133313311211111211331323133313123233113
>>
C1111133313331323223313331333133313311211111211331323133313123233112
>>