B3311331313231311331322331333132333133313132233133313232233132313123232332311
>>
B331133131323131133132233133313233313331313223313331323223313231312323233231
<<
B3311331313231311331322331333132333133313132233133313232233132313123232332313
>>
B3311331313231311331322331333132333133313132233133313232233132313123232332312
>>