C22121233131323223313233313231133132333133313231333132311323321   >>    C2212123313132322331323331323113313233313331323133313231132332   <<    C22121233131323223313233313231133132333133313231333132311323323   >>      C22121233131323223313233313231133132333133313231333132311323322   >>