B33113313132313113313223313331323331333132313321133133313331323312112131
>>
B3311331313231311331322331333132333133313231332113313331333132331211213
<<
B33113313132313113313223313331323331333132313321133133313331323312112133
>>
B33113313132313113313223313331323331333132313321133133313331323312112132
>>