B33113313132313113313223313331323133313223313231333132322331313331323123221211   >>    B3311331313231311331322331333132313331322331323133313232233131333132312322121   <<    B33113313132313113313223313331323133313223313231333132322331313331323123221213   >>      B33113313132313113313223313331323133313223313231333132322331313331323123221212   >>