C1111133313331323223313331333133313311211111211331323221121123231
>>
C111113331333132322331333133313331331121111121133132322112112323
<<
C1111133313331323223313331333133313311211111211331323221121123233
>>
C1111133313331323223313331333133313311211111211331323221121123232
>>