C22212323232133313113313331333132313331323132323131232322113221121321   >>    C2221232323213331311331333133313231333132313232313123232211322112132   <<    C22212323232133313113313331333132313331323132323131232322113221121323   >>      C22212323232133313113313331333132313331323132323131232322113221121322   >>