B33113313132313113313223313331323133313223313231333132313231232322121
>>
B3311331313231311331322331333132313331322331323133313231323123232212
<<
B33113313132313113313223313331323133313223313231333132313231232322123
>>
B33113313132313113313223313331323133313223313231333132313231232322122
>>