B3311331313231311331322331333132313233313231333131333133313233232213111
>>
B331133131323131133132233133313231323331323133313133313331323323221311
<<
B3311331313231311331322331333132313233313231333131333133313233232213113
>>
B3311331313231311331322331333132313233313231333131333133313233232213112
>>