B3311331313231311331322331333131133131323131323133313231333132313231322221
>>
B331133131323131133132233133313113313132313132313331323133313231323132222
<<
B3311331313231311331322331333131133131323131323133313231333132313231322223
>>
B3311331313231311331322331333131133131323131323133313231333132313231322222
>>