B33113313132313113313223313331323133313221211331333133313231312111113232222231
>>
B3311331313231311331322331333132313331322121133133313331323131211111323222223
<<
B33113313132313113313223313331323133313221211331333133313231312111113232222233
>>
B33113313132313113313223313331323133313221211331333133313231312111113232222232
>>