B231123233313231323132233133313233313232233132313231333132313111111
>>
B23112323331323132313223313331323331323223313231323133313231311111
<<
B231123233313231323132233133313233313232233132313231333132313111113
>>
B231123233313231323132233133313233313232233132313231333132313111112
>>