C3121113331313231323132333131313231323131323223313233313232332313231211
>>
C312111333131323132313233313131323132313132322331323331323233231323121
<<
C3121113331313231323132333131313231323131323223313233313232332313231213
>>
C3121113331313231323132333131313231323131323223313233313232332313231212
>>