C3121113331313231323132333131313231323131323223313233313132313232233111
>>
C312111333131323132313233313131323132313132322331323331313231323223311
<<
C3121113331313231323132333131313231323131323223313233313132313232233113
>>
C3121113331313231323132333131313231323131323223313233313132313232233112
>>