B33113313132313113313223313331323133313231332113313331333132311312111121
>>
B3311331313231311331322331333132313331323133211331333133313231131211112
<<
B33113313132313113313223313331323133313231332113313331333132311312111123
>>
B33113313132313113313223313331323133313231332113313331333132311312111122
>>