B3311331313231311331322331333132333133313231332113313331333133313113133112311
>>
B331133131323131133132233133313233313331323133211331333133313331311313311231
<<
B3311331313231311331322331333132333133313231332113313331333133313113133112313
>>
B3311331313231311331322331333132333133313231332113313331333133313113133112312
>>