B3311331313231311331322331333132313331323223312113313331333133313133112112321
>>
B331133131323131133132233133313231333132322331211331333133313331313311211232
<<
B3311331313231311331322331333132313331323223312113313331333133313133112112323
>>
B3311331313231311331322331333132313331323223312113313331333133313133112112322
>>