B3311331313231311331322331333132313231333131323223313231333132322121111211
>>
B331133131323131133132233133313231323133313132322331323133313232212111121
<<
B3311331313231311331322331333132313231333131323223313231333132322121111213
>>
B3311331313231311331322331333132313231333131323223313231333132322121111212
>>