B3311331313231311331322331333132313231323331333131133131133131122313233321
>>
B331133131323131133132233133313231323132333133313113313113313112231323332
<<
B3311331313231311331322331333132313231323331333131133131133131122313233323
>>
B3311331313231311331322331333132313231323331333131133131133131122313233322
>>