B3311331313231311331322331333132313231323331333131333133313233311232313231131
>>
B331133131323131133132233133313231323132333133313133313331323331123231323113
<<
B3311331313231311331322331333132313231323331333131333133313233311232313231133
>>
B3311331313231311331322331333132313231323331333131333133313233311232313231132
>>