B33113313132313113313223313331323133313221211331333133313331333132213231312111
>>
B3311331313231311331322331333132313331322121133133313331333133313221323131211
<<
B33113313132313113313223313331323133313221211331333133313331333132213231312113
>>
B33113313132313113313223313331323133313221211331333133313331333132213231312112
>>