C111123313331323113313331333133313331323133112113313232213231133221
>>
C11112331333132311331333133313331333132313311211331323221323113322
<<
C111123313331323113313331333133313331323133112113313232213231133223
>>
C111123313331323113313331333133313331323133112113313232213231133222
>>