C3123223313331322121111331333132313331323331323331323133313113312111   >>    C312322331333132212111133133313231333132333132333132313331311331211   <<    C3123223313331322121111331333132313331323331323331323133313113312113   >>      C3123223313331322121111331333132313331323331323331323133313113312112   >>