B3311331313231311331322331333132313231121133131133132322331323132313113311211
>>
B331133131323131133132233133313231323112113313113313232233132313231311331121
<<
B3311331313231311331322331333132313231121133131133132322331323132313113311213
>>
B3311331313231311331322331333132313231121133131133132322331323132313113311212
>>