C212212121212113313132333131313231323133313231133132333131323221323111
>>
C21221212121211331313233313131323132313331323113313233313132322132311
<<
C212212121212113313132333131313231323133313231133132333131323221323113
>>
C212212121212113313132333131313231323133313231133132333131323221323112
>>