B3311331313231311331322331333132313331323131323223313113313231311212121
>>
B331133131323131133132233133313231333132313132322331311331323131121212
<<
B3311331313231311331322331333132313331323131323223313113313231311212123
>>
B3311331313231311331322331333132313331323131323223313113313231311212122
>>