B33113313132313113313223313331323331323222333132333131133132312321   >>    B3311331313231311331322331333132333132322233313233313113313231232   <<    B33113313132313113313223313331323331323222333132333131133132312323   >>      B33113313132313113313223313331323331323222333132333131133132312322   >>