B3311331313231311331322331333132313232233131323132313331323132311233132233231
>>
B331133131323131133132233133313231323223313132313231333132313231123313223323
<<
B3311331313231311331322331333132313232233131323132313331323132311233132233233
>>
B3311331313231311331322331333132313232233131323132313331323132311233132233232
>>