C3121113331313231323132333131313231323131323223313233313233313233112323111
>>
C312111333131323132313233313131323132313132322331323331323331323311232311
<<
C3121113331313231323132333131313231323131323223313233313233313233112323113
>>
C3121113331313231323132333131313231323131323223313233313233313233112323112
>>