C3121113331313231323132333131313231323131323223313233313132333131121121
>>
C312111333131323132313233313131323132313132322331323331313233313112112
<<
C3121113331313231323132333131313231323131323223313233313132333131121123
>>
C3121113331313231323132333131313231323131323223313233313132333131121122
>>