C211111133131323223313233313231133132333132311221123231333132231211   >>    C21111113313132322331323331323113313233313231122112323133313223121   <<    C211111133131323223313233313231133132333132311221123231333132231213   >>      C211111133131323223313233313231133132333132311221123231333132231212   >>