B3311331313231311331322331333132313331323131323223313231121133132322331322121
>>
B331133131323131133132233133313231333132313132322331323112113313232233132212
<<
B3311331313231311331322331333132313331323131323223313231121133132322331322123
>>
B3311331313231311331322331333132313331323131323223313231121133132322331322122
>>