B3311331313231311331322331333132313113313131133133313232233132333112323131121
>>
B331133131323131133132233133313231311331313113313331323223313233311232313112
<<
B3311331313231311331322331333132313113313131133133313232233132333112323131123
>>
B3311331313231311331322331333132313113313131133133313232233132333112323131122
>>