C211111133131323223313233313231133132333132311221123231333132313232313221   >>    C21111113313132322331323331323113313233313231122112323133313231323231322   <<    C211111133131323223313233313231133132333132311221123231333132313232313223   >>      C211111133131323223313233313231133132333132311221123231333132313232313222   >>