C3121113331313231323132333131313231323131323223313233313233313233232211331
>>
C312111333131323132313233313131323132313132322331323331323331323323221133
<<
C3121113331313231323132333131313231323131323223313233313233313233232211333
>>
C3121113331313231323132333131313231323131323223313233313233313233232211332
>>