B3311331313231311331322331333132313231323331333131133131133131323133313331211
>>
B331133131323131133132233133313231323132333133313113313113313132313331333121
<<
B3311331313231311331322331333132313231323331333131133131133131323133313331213
>>
B3311331313231311331322331333132313231323331333131133131133131323133313331212
>>