B3311331313231311331322331333132313132313331323223313113313231333132321211
>>
B331133131323131133132233133313231313231333132322331311331323133313232121
<<
B3311331313231311331322331333132313132313331323223313113313231333132321213
>>
B3311331313231311331322331333132313132313331323223313113313231333132321212
>>