B3311331313231311331322331333132313133313113313113313232233131133132222231
>>
B331133131323131133132233133313231313331311331311331323223313113313222223
<<
B3311331313231311331322331333132313133313113313113313232233131133132222233
>>
B3311331313231311331322331333132313133313113313113313232233131133132222232
>>