B3311331313231311331322331333132313231323132313133313231323132313132221
>>
B331133131323131133132233133313231323132313231313331323132313231313222
<<
B3311331313231311331322331333132313231323132313133313231323132313132223
>>
B3311331313231311331322331333132313231323132313133313231323132313132222
>>