B33113313132313113313223313331323133313231332113313331333132333112322131
>>
B3311331313231311331322331333132313331323133211331333133313233311232213
<<
B33113313132313113313223313331323133313231332113313331333132333112322133
>>
B33113313132313113313223313331323133313231332113313331333132333112322132
>>