B3311331313231311331322331333131133133313231211331333132313231311331
>>
B331133131323131133132233133313113313331323121133133313231323131133
<<
B3311331313231311331322331333131133133313231211331333132313231311333
>>
B3311331313231311331322331333131133133313231211331333132313231311332
>>