C22121233131323223313233313231133132333133313113313232223311331   >>    C2212123313132322331323331323113313233313331311331323222331133   <<    C22121233131323223313233313231133132333133313113313232223311333   >>      C22121233131323223313233313231133132333133313113313232223311332   >>