B3311331313231311331322331333132313231333131323223313231333132333112331123221
>>
B331133131323131133132233133313231323133313132322331323133313233311233112322
<<
B3311331313231311331322331333132313231333131323223313231333132333112331123223
>>
B3311331313231311331322331333132313231333131323223313231333132333112331123222
>>