C3123223313331322121111331333133313331333232133313113313232233112323131   >>    C312322331333132212111133133313331333133323213331311331323223311232313   <<    C3123223313331322121111331333133313331333232133313113313232233112323133   >>      C3123223313331322121111331333133313331333232133313113313232233112323132   >>