C3123223313331322121111331333131133133313331333132313233313113231   >>    C312322331333132212111133133313113313331333133313231323331311323   <<    C3123223313331322121111331333131133133313331333132313233313113233   >>      C3123223313331322121111331333131133133313331333132313233313113232   >>