B3311331313231311331322331333132313231323331333131133131133131231211211
>>
B331133131323131133132233133313231323132333133313113313113313123121121
<<
B3311331313231311331322331333132313231323331333131133131133131231211213
>>
B3311331313231311331322331333132313231323331333131133131133131231211212
>>