B3311331313231311331322331333131211111133132333133311233132313112111
>>
B331133131323131133132233133313121111113313233313331123313231311211
<<
B3311331313231311331322331333131211111133132333133311233132313112113
>>
B3311331313231311331322331333131211111133132333133311233132313112112
>>