G121323131313232233131323223313231313311212121211113313232213221   >>    G12132313131323223313132322331323131331121212121111331323221322   <<    G121323131313232233131323223313231313311212121211113313232213223   >>      G121323131313232233131323223313231313311212121211113313232213222   >>