C212212121212113313132333131311331323331323132233132322331323131323321   >>    C21221212121211331313233313131133132333132313223313232233132313132332   <<    C212212121212113313132333131311331323331323132233132322331323131323323   >>      C212212121212113313132333131311331323331323132233132322331323131323322   >>