B3311331313231311331322331333132313231323132313133313231333131133131323121121
>>
B331133131323131133132233133313231323132313231313331323133313113313132312112
<<
B3311331313231311331322331333132313231323132313133313231333131133131323121123
>>
B3311331313231311331322331333132313231323132313133313231333131133131323121122
>>