B231123233313231323132233133313233313232233132313231333132313231121
>>
B23112323331323132313223313331323331323223313231323133313231323112
<<
B231123233313231323132233133313233313232233132313231333132313231123
>>
B231123233313231323132233133313233313232233132313231333132313231122
>>