C31232233133313221211113313331333132313331333133313331333133313331211113331221   >>    C3123223313331322121111331333133313231333133313331333133313331333121111333122   <<    C31232233133313221211113313331333132313331333133313331333133313331211113331223   >>      C31232233133313221211113313331333132313331333133313331333133313331211113331222   >>