C212212121212113313221323131323131323132322331323132233132323132311   >>    C21221212121211331322132313132313132313232233132313223313232313231   <<    C212212121212113313221323131323131323132322331323132233132323132313   >>      C212212121212113313221323131323131323132322331323132233132323132312   >>