B33113313132313113313223313331323132333132313331313331323132322123132313121
>>
B3311331313231311331322331333132313233313231333131333132313232212313231312
<<
B33113313132313113313223313331323132333132313331313331323132322123132313123
>>
B33113313132313113313223313331323132333132313331313331323132322123132313122
>>