C212212121212113313221323131323132313132322331323132233132323323132333131   >>    C21221212121211331322132313132313231313232233132313223313232332313233313   <<    C212212121212113313221323131323132313132322331323132233132323323132333133   >>      C212212121212113313221323131323132313132322331323132233132323323132333132   >>