C111123313331323113313331333133313331323133112323133313233111211
>>
C11112331333132311331333133313331333132313311232313331323311121
<<
C111123313331323113313331333133313331323133112323133313233111213
>>
C111123313331323113313331333133313331323133112323133313233111212
>>