B3311331313231311331322331333132313231323132313133313232233132332313231131
>>
B331133131323131133132233133313231323132313231313331323223313233231323113
<<
B3311331313231311331322331333132313231323132313133313232233132332313231133
>>
B3311331313231311331322331333132313231323132313133313232233132332313231132
>>