C31232233133313221211113313331333133313331212111113331311312321   >>    C3123223313331322121111331333133313331333121211111333131131232   <<    C31232233133313221211113313331333133313331212111113331311312323   >>      C31232233133313221211113313331333133313331212111113331311312322   >>