B3311331313231311331322331333132313232233132313133313331323132333331211
>>
B331133131323131133132233133313231323223313231313331333132313233333121
<<
B3311331313231311331322331333132313232233132313133313331323132333331213
>>
B3311331313231311331322331333132313232233132313133313331323132333331212
>>