C31232233133313221211113313331333132313331333133313331333133313331312133123231   >>    C3123223313331322121111331333133313231333133313331333133313331333131213312323   <<    C31232233133313221211113313331333132313331333133313331333133313331312133123233   >>      C31232233133313221211113313331333132313331333133313331333133313331312133123232   >>