B231123233313231323132233133313233313232233132313231333132333132333131323131111
>>
B23112323331323132313223313331323331323223313231323133313233313233313132313111
<<
B231123233313231323132233133313233313232233132313231333132333132333131323131113
>>
B231123233313231323132233133313233313232233132313231333132333132333131323131112
>>