B331133131323131133132233133313231323223313131133133313133313232213111
>>
B33113313132313113313223313331323132322331313113313331313331323221311
<<
B331133131323131133132233133313231323223313131133133313133313232213113
>>
B331133131323131133132233133313231323223313131133133313133313232213112
>>