C3123223313331322121111331333133313331333121211113313331322121321   >>    C312322331333132212111133133313331333133312121111331333132212132   <<    C3123223313331322121111331333133313331333121211113313331322121323   >>      C3123223313331322121111331333133313331333121211113313331322121322   >>