B3311331313231311331322331333132313132313331323223313133313331323331312311211
>>
B331133131323131133132233133313231313231333132322331313331333132333131231121
<<
B3311331313231311331322331333132313132313331323223313133313331323331312311213
>>
B3311331313231311331322331333132313132313331323223313133313331323331312311212
>>