C211111133131323223313233313231133132333132311221123231333132321131   >>    C21111113313132322331323331323113313233313231122112323133313232113   <<    C211111133131323223313233313231133132333132311221123231333132321133   >>      C211111133131323223313233313231133132333132311221123231333132321132   >>