C31232233133313221211113313331333133313331212111133133313232113332321   >>    C3123223313331322121111331333133313331333121211113313331323211333232   <<    C31232233133313221211113313331333133313331212111133133313232113332323   >>      C31232233133313221211113313331333133313331212111133133313232113332322   >>