B3311331313231311331322331333132333133313231332113313331333133313133112312131
>>
B331133131323131133132233133313233313331323133211331333133313331313311231213
<<
B3311331313231311331322331333132333133313231332113313331333133313133112312133
>>
B3311331313231311331322331333132333133313231332113313331333133313133112312132
>>