B3311331313231311331322331333132313331322331323133313331313132313231322121111
>>
B331133131323131133132233133313231333132233132313331333131313231323132212111
<<
B3311331313231311331322331333132313331322331323133313331313132313231322121113
>>
B3311331313231311331322331333132313331322331323133313331313132313231322121112
>>