C31232233133313221211113313331333132313331211113313331333233311   >>    C3123223313331322121111331333133313231333121111331333133323331   <<    C31232233133313221211113313331333132313331211113313331333233313   >>      C31232233133313221211113313331333132313331211113313331333233312   >>