B3311331313231311331322331333132313133313113313113313231333132322112121
>>
B331133131323131133132233133313231313331311331311331323133313232211212
<<
B3311331313231311331322331333132313133313113313113313231333132322112123
>>
B3311331313231311331322331333132313133313113313113313231333132322112122
>>