B3311331313231311331322331333132313231323331333131123313331323221211331211
>>
B331133131323131133132233133313231323132333133313112331333132322121133121
<<
B3311331313231311331322331333132313231323331333131123313331323221211331213
>>
B3311331313231311331322331333132313231323331333131123313331323221211331212
>>