C211111133131323223313233313231133132333132311221123231333132313223221   >>    C21111113313132322331323331323113313233313231122112323133313231322322   <<    C211111133131323223313233313231133132333132311221123231333132313223223   >>      C211111133131323223313233313231133132333132311221123231333132313223222   >>