C22121233131323223313233313231133132333133313113313231333211321   >>    C2212123313132322331323331323113313233313331311331323133321132   <<    C22121233131323223313233313231133132333133313113313231333211323   >>      C22121233131323223313233313231133132333133313113313231333211322   >>