C2122121212132322331313132313232233132322331322223313132322233311   >>    C212212121213232233131313231323223313232233132222331313232223331   <<    C2122121212132322331313132313232233132322331322223313132322233313   >>      C2122121212132322331313132313232233132322331322223313132322233312   >>