B3311331313231311331322331333132333133313223312111133132313232212111
>>
B331133131323131133132233133313233313331322331211113313231323221211
<<
B3311331313231311331322331333132333133313223312111133132313232212113
>>
B3311331313231311331322331333132333133313223312111133132313232212112
>>