B3311331313231311331322331333132313231333131323223313133313133313231333123121
>>
B331133131323131133132233133313231323133313132322331313331313331323133312312
<<
B3311331313231311331322331333132313231333131323223313133313133313231333123123
>>
B3311331313231311331322331333132313231333131323223313133313133313231333123122
>>