B3311331313231311331322331333132313232233131311331333131133131232313231311111
>>
B331133131323131133132233133313231323223313131133133313113313123231323131111
<<
B3311331313231311331322331333132313232233131311331333131133131232313231311113
>>
B3311331313231311331322331333132313232233131311331333131133131232313231311112
>>