C22212323232133313113313331333132313331323132323131232322122122132333111   >>    C2221232323213331311331333133313231333132313232313123232212212213233311   <<    C22212323232133313113313331333132313331323132323131232322122122132333113   >>      C22212323232133313113313331333132313331323132323131232322122122132333112   >>