C22121233131323223313233313231133132333133313113313231323212221   >>    C2212123313132322331323331323113313233313331311331323132321222   <<    C22121233131323223313233313231133132333133313113313231323212223   >>      C22121233131323223313233313231133132333133313113313231323212222   >>