B3311331313231311331322331333132333131323132313231333133313231312322221
>>
B331133131323131133132233133313233313132313231323133313331323131232222
<<
B3311331313231311331322331333132333131323132313231333133313231312322223
>>
B3311331313231311331322331333132333131323132313231333133313231312322222
>>