C31232233133313221211113313331333132313331322121111331333112211211   >>    C3123223313331322121111331333133313231333132212111133133311221121   <<    C31232233133313221211113313331333132313331322121111331333112211213   >>      C31232233133313221211113313331333132313331322121111331333112211212   >>