C3123223313331322121111331333133313331333121211111333132323223313231311211   >>    C312322331333132212111133133313331333133312121111133313232322331323131121   <<    C3123223313331322121111331333133313331333121211111333132323223313231311213   >>      C3123223313331322121111331333133313331333121211111333132323223313231311212   >>