C31211133313132313231323331313132313231313232233132333132321123231323132211   >>    C3121113331313231323132333131313231323131323223313233313232112323132313221   <<    C31211133313132313231323331313132313231313232233132333132321123231323132213   >>      C31211133313132313231323331313132313231313232233132333132321123231323132212   >>