B3311331313231311331322331333132313231323331333131133133313221312312121
>>
B331133131323131133132233133313231323132333133313113313331322131231212
<<
B3311331313231311331322331333132313231323331333131133133313221312312123
>>
B3311331313231311331322331333132313231323331333131133133313221312312122
>>