C3123223313331322121111331333133313231323223313331323132333133313133312121   >>    C312322331333132212111133133313331323132322331333132313233313331313331212   <<    C3123223313331322121111331333133313231323223313331323132333133313133312123   >>      C3123223313331322121111331333133313231323223313331323132333133313133312122   >>