C12121223131323223313132322331323132313231333132322132313221131
>>
C1212122313132322331313232233132313231323133313232213231322113
<<
C12121223131323223313132322331323132313231333132322132313221133
>>
C12121223131323223313132322331323132313231333132322132313221132
>>