B33113313132313113313223313331323133313223313231333132313231232322333221   >>    B3311331313231311331322331333132313331322331323133313231323123232233322   <<    B33113313132313113313223313331323133313223313231333132313231232322333223   >>      B33113313132313113313223313331323133313223313231333132313231232322333222   >>