C31211133313132313231323331313132313231313232233132333131133132313232321   >>    C3121113331313231323132333131313231323131323223313233313113313231323232   <<    C31211133313132313231323331313132313231313232233132333131133132313232323   >>      C31211133313132313231323331313132313231313232233132333131133132313232322   >>