B3311331313231311331322331333131133132333132333133313231333131133131133112321
>>
B331133131323131133132233133313113313233313233313331323133313113313113311232
<<
B3311331313231311331322331333131133132333132333133313231333131133131133112323
>>
B3311331313231311331322331333131133132333132333133313231333131133131133112322
>>