B33113313132313113313223313331311331323131333132322331313331323132313232222231
>>
B3311331313231311331322331333131133132313133313232233131333132313231323222223
<<
B33113313132313113313223313331311331323131333132322331313331323132313232222233
>>
B33113313132313113313223313331311331323131333132322331313331323132313232222232
>>