C3121113331313231323132333131313231323131323223313233313233313233313222313131
>>
C312111333131323132313233313131323132313132322331323331323331323331322231313
<<
C3121113331313231323132333131313231323131323223313233313233313233313222313133
>>
C3121113331313231323132333131313231323131323223313233313233313233313222313132
>>