C211111133131323223313233313231133132333133313231333132333132313331323321   >>    C21111113313132322331323331323113313233313331323133313233313231333132332   <<    C211111133131323223313233313231133132333133313231333132333132313331323323   >>      C211111133131323223313233313231133132333133313231333132333132313331323322   >>