B33113313132313113313223313331323133313223313231333133313331331123221211   >>    B3311331313231311331322331333132313331322331323133313331333133112322121   <<    B33113313132313113313223313331323133313223313231333133313331331123221213   >>      B33113313132313113313223313331323133313223313231333133313331331123221212   >>