B3311331313231311331322331333132313331323223312113313331333133313331311123131
>>
B331133131323131133132233133313231333132322331211331333133313331333131112313
<<
B3311331313231311331322331333132313331323223312113313331333133313331311123133
>>
B3311331313231311331322331333132313331323223312113313331333133313331311123132
>>