C3121113331313231323132333131313231323131323223313233313233313233313113321131
>>
C312111333131323132313233313131323132313132322331323331323331323331311332113
<<
C3121113331313231323132333131313231323131323223313233313233313233313113321133
>>
C3121113331313231323132333131313231323131323223313233313233313233313113321132
>>