C3121113331313231323132333131313231323131323223313233313232332313232111
>>
C312111333131323132313233313131323132313132322331323331323233231323211
<<
C3121113331313231323132333131313231323131323223313233313232332313232113
>>
C3121113331313231323132333131313231323131323223313233313232332313232112
>>