B331133131323131133132233133313231323223313131133133313233313232233132313233311
>>
B33113313132313113313223313331323132322331313113313331323331323223313231323331
<<
B331133131323131133132233133313231323223313131133133313233313232233132313233313
>>
B331133131323131133132233133313231323223313131133133313233313232233132313233312
>>