B1323331313331312323133313112113313232233132333133313231333132322132231221   >>    B132333131333131232313331311211331323223313233313331323133313232213223122   <<    B1323331313331312323133313112113313232233132333133313231333132322132231223   >>      B1323331313331312323133313112113313232233132333133313231333132322132231222   >>