C3121113331313231323132333131313231323131323223313233313233313232233121221
>>
C312111333131323132313233313131323132313132322331323331323331323223312122
<<
C3121113331313231323132333131313231323131323223313233313233313232233121223
>>
C3121113331313231323132333131313231323131323223313233313233313232233121222
>>