C111123313331323113313331333133313231323133312111113331322112131
>>
C11112331333132311331333133313331323132313331211111333132211213
<<
C111123313331323113313331333133313231323133312111113331322112133
>>
C111123313331323113313331333133313231323133312111113331322112132
>>