B3311331313231311331322331333131133133313231211331333132313231322312331
>>
B331133131323131133132233133313113313331323121133133313231323132231233
<<
B3311331313231311331322331333131133133313231211331333132313231322312333
>>
B3311331313231311331322331333131133133313231211331333132313231322312332
>>