C212212121212113313221323131323131323132322331323132233132333132311331323232311   >>    C21221212121211331322132313132313132313232233132313223313233313231133132323231   <<    C212212121212113313221323131323131323132322331323132233132333132311331323232313   >>      C212212121212113313221323131323131323132322331323132233132333132311331323232312   >>