C31232233133313221211113313331333133313331212111113331333131213223313331312321   >>    C3123223313331322121111331333133313331333121211111333133313121322331333131232   <<    C31232233133313221211113313331333133313331212111113331333131213223313331312323   >>      C31232233133313221211113313331333133313331212111113331333131213223313331312322   >>