C111123313331323113313331323133313331311331311331333133112111133132223312111
>>
C11112331333132311331333132313331333131133131133133313311211113313222331211
<<
C111123313331323113313331323133313331311331311331333133112111133132223312113
>>
C111123313331323113313331323133313331311331311331333133112111133132223312112
>>