B3311331313231311331322331333132313231323331333131123313331323113121133121
>>
B331133131323131133132233133313231323132333133313112331333132311312113312
<<
B3311331313231311331322331333132313231323331333131123313331323113121133123
>>
B3311331313231311331322331333132313231323331333131123313331323113121133122
>>