C22121233131323223313233313231133132333133313113313231333211311   >>    C2212123313132322331323331323113313233313331311331323133321131   <<    C22121233131323223313233313231133132333133313113313231333211313   >>      C22121233131323223313233313231133132333133313113313231333211312   >>