C3121113331313231323132333131313231323131323223313233313132313123131
>>
C312111333131323132313233313131323132313132322331323331313231312313
<<
C3121113331313231323132333131313231323131323223313233313132313123133
>>
C3121113331313231323132333131313231323131323223313233313132313123132
>>