B331133131323131133132233133313231323132333133313113313331311111121131
>>
B33113313132313113313223313331323132313233313331311331333131111112113
<<
B331133131323131133132233133313231323132333133313113313331311111121133
>>
B331133131323131133132233133313231323132333133313113313331311111121132
>>