B33113313132313113313223313331311331323131311331333132313331323223312111
>>
B3311331313231311331322331333131133132313131133133313231333132322331211
<<
B33113313132313113313223313331311331323131311331333132313331323223312113
>>
B33113313132313113313223313331311331323131311331333132313331323223312112
>>