B3311331313231311331322331333132313231323331333131123313331323131133112332321
>>
B331133131323131133132233133313231323132333133313112331333132313113311233232
<<
B3311331313231311331322331333132313231323331333131123313331323131133112332323
>>
B3311331313231311331322331333132313231323331333131123313331323131133112332322
>>