B3311331313231311331322331333132313231323331333131333133313221313221
>>
B331133131323131133132233133313231323132333133313133313331322131322
<<
B3311331313231311331322331333132313231323331333131333133313221313223
>>
B3311331313231311331322331333132313231323331333131333133313221313222
>>