C31232233133313221211113313331333132313232233133313123231322321   >>    C3123223313331322121111331333133313231323223313331312323132232   <<    C31232233133313221211113313331333132313232233133313123231322323   >>      C31232233133313221211113313331333132313232233133313123231322322   >>