C211111133131323223313233313231133132333133313231333132333132311311   >>    C21111113313132322331323331323113313233313331323133313233313231131   <<    C211111133131323223313233313231133132333133313231333132333132311313   >>      C211111133131323223313233313231133132333133313231333132333132311312   >>