C3123223313331322121111331333133313231333132333133313331323312113311   >>    C312322331333132212111133133313331323133313233313331333132331211331   <<    C3123223313331322121111331333133313231333132333133313331323312113313   >>      C3123223313331322121111331333133313231333132333133313331323312113312   >>