B33113313132313113313223313331323133313221323331333132313311232322121
>>
B3311331313231311331322331333132313331322132333133313231331123232212
<<
B33113313132313113313223313331323133313221323331333132313311232322123
>>
B33113313132313113313223313331323133313221323331333132313311232322122
>>