C212212121212113313221323131323132313132322331323132233132313221323131131   >>    C21221212121211331322132313132313231313232233132313223313231322132313113   <<    C212212121212113313221323131323132313132322331323132233132313221323131133   >>      C212212121212113313221323131323132313132322331323132233132313221323131132   >>