B33113313132313113313223313331323331323112113313331323223313231331123221221   >>    B3311331313231311331322331333132333132311211331333132322331323133112322122   <<    B33113313132313113313223313331323331323112113313331323223313231331123221223   >>      B33113313132313113313223313331323331323112113313331323223313231331123221222   >>