B33113313132313113313223313331323133313221211331333133313331333132333211221
>>
B3311331313231311331322331333132313331322121133133313331333133313233321122
<<
B33113313132313113313223313331323133313221211331333133313331333132333211223
>>
B33113313132313113313223313331323133313221211331333133313331333132333211222
>>