B3311331313231311331322331333132313231323331333131123313311232212121
>>
B331133131323131133132233133313231323132333133313112331331123221212
<<
B3311331313231311331322331333132313231323331333131123313311232212123
>>
B3311331313231311331322331333132313231323331333131123313311232212122
>>