B3311331313231311331322331333131133131323131133133313231323132313233231323221
>>
B331133131323131133132233133313113313132313113313331323132313231323323132322
<<
B3311331313231311331322331333131133131323131133133313231323132313233231323223
>>
B3311331313231311331322331333131133131323131133133313231323132313233231323222
>>