C31232233133313221211113313331333132313331322121111331312213221211   >>    C3123223313331322121111331333133313231333132212111133131221322121   <<    C31232233133313221211113313331333132313331322121111331312213221213   >>      C31232233133313221211113313331333132313331322121111331312213221212   >>