B3311331313231311331322331333132333132313112331333131133131133132322233321
>>
B331133131323131133132233133313233313231311233133313113313113313232223332
<<
B3311331313231311331322331333132333132313112331333131133131133132322233323
>>
B3311331313231311331322331333132333132313112331333131133131133132322233322
>>