B3311331313231311331322331333132313331323223312113313331333133313331322231211
>>
B331133131323131133132233133313231333132322331211331333133313331333132223121
<<
B3311331313231311331322331333132313331323223312113313331333133313331322231213
>>
B3311331313231311331322331333132313331323223312113313331333133313331322231212
>>