B33113313132313113313223313331323132313233313331313232233132312312121
>>
B3311331313231311331322331333132313231323331333131323223313231231212
<<
B33113313132313113313223313331323132313233313331313232233132312312123
>>
B33113313132313113313223313331323132313233313331313232233132312312122
>>