B3311331313231311331322331333132333133313231332113313331333132313123232111
>>
B331133131323131133132233133313233313331323133211331333133313231312323211
<<
B3311331313231311331322331333132333133313231332113313331333132313123232113
>>
B3311331313231311331322331333132333133313231332113313331333132313123232112
>>