B3311331313231311331322331333131133133313111333133313231323223313231321211
>>
B331133131323131133132233133313113313331311133313331323132322331323132121
<<
B3311331313231311331322331333131133133313111333133313231323223313231321213
>>
B3311331313231311331322331333131133133313111333133313231323223313231321212
>>