C31232233133313221211113313331333132313331211113313331312132322231   >>    C3123223313331322121111331333133313231333121111331333131213232223   <<    C31232233133313221211113313331333132313331211113313331312132322233   >>      C31232233133313221211113313331333132313331211113313331312132322232   >>