C3121113331313231323132333131313231323131323223313233313233313232233131132211
>>
C312111333131323132313233313131323132313132322331323331323331323223313113221
<<
C3121113331313231323132333131313231323131323223313233313233313232233131132213
>>
C3121113331313231323132333131313231323131323223313233313233313232233131132212
>>