C31232233133313221211113313331333133313331212111133133313132322132213231   >>    C3123223313331322121111331333133313331333121211113313331313232213221323   <<    C31232233133313221211113313331333133313331212111133133313132322132213233   >>      C31232233133313221211113313331333133313331212111133133313132322132213232   >>