B3311331313231311331322331333132313331323131323223313331323132313221121111
>>
B331133131323131133132233133313231333132313132322331333132313231322112111
<<
B3311331313231311331322331333132313331323131323223313331323132313221121113
>>
B3311331313231311331322331333132313331323131323223313331323132313221121112
>>