B3311331313231311331322331333132313233313231333131133131133132333131211331
>>
B331133131323131133132233133313231323331323133313113313113313233313121133
<<
B3311331313231311331322331333132313233313231333131133131133132333131211333
>>
B3311331313231311331322331333132313233313231333131133131133132333131211332
>>