C11122123231323131323131323132322331323331333132313331323232311   >>    C1112212323132313132313132313232233132333133313231333132323231   <<    C11122123231323131323131323132322331323331333132313331323232313   >>      C11122123231323131323131323132322331323331333132313331323232312   >>