C1212121231123232233131323223313231333132333132322331323132313232212111
>>
C121212123112323223313132322331323133313233313232233132313231323221211
<<
C1212121231123232233131323223313231333132333132322331323132313232212113
>>
C1212121231123232233131323223313231333132333132322331323132313232212112
>>