B3311331313231311331322331333131133133313231211331333132313231311331313111121
>>
B331133131323131133132233133313113313331323121133133313231323131133131311112
<<
B3311331313231311331322331333131133133313231211331333132313231311331313111123
>>
B3311331313231311331322331333131133133313231211331333132313231311331313111122
>>