C3121113331313231323132333131313231323131323223313233313233313233231313231131
>>
C312111333131323132313233313131323132313132322331323331323331323323131323113
<<
C3121113331313231323132333131313231323131323223313233313233313233231313231133
>>
C3121113331313231323132333131313231323131323223313233313233313233231313231132
>>