B3311331313231311331322331333132333132313133121111331333132322131
>>
B331133131323131133132233133313233313231313312111133133313232213
<<
B3311331313231311331322331333132333132313133121111331333132322133
>>
B3311331313231311331322331333132333132313133121111331333132322132
>>