B3311331313231311331322331333132313331322331323133313331333133313332233112111
>>
B331133131323131133132233133313231333132233132313331333133313331333223311211
<<
B3311331313231311331322331333132313331322331323133313331333133313332233112113
>>
B3311331313231311331322331333132313331322331323133313331333133313332233112112
>>