C212212121212113313221323131323132313132322331323132233131323331323132313113321   >>    C21221212121211331322132313132313231313232233132313223313132333132313231311332   <<    C212212121212113313221323131323132313132322331323132233131323331323132313113323   >>      C212212121212113313221323131323132313132322331323132233131323331323132313113322   >>