B3311331313231311331322331333132333131333132233133313232233132313331323231311
>>
B331133131323131133132233133313233313133313223313331323223313231333132323131
<<
B3311331313231311331322331333132333131333132233133313232233132313331323231313
>>
B3311331313231311331322331333132333131333132233133313232233132313331323231312
>>