B3311331313231311331322331333131133133313111333133313231323131133131323221
>>
B331133131323131133132233133313113313331311133313331323132313113313132322
<<
B3311331313231311331322331333131133133313111333133313231323131133131323223
>>
B3311331313231311331322331333131133133313111333133313231323131133131323222
>>