B3311331313231311331322331333132333112323132333132313223313231323132322121
>>
B331133131323131133132233133313233311232313233313231322331323132313232212
<<
B3311331313231311331322331333132333112323132333132313223313231323132322123
>>
B3311331313231311331322331333132333112323132333132313223313231323132322122
>>