C3123223313331322121111331333133313331333121211113313331313331311233222321   >>    C312322331333132212111133133313331333133312121111331333131333131123322232   <<    C3123223313331322121111331333133313331333121211113313331313331311233222323   >>      C3123223313331322121111331333133313331333121211113313331313331311233222322   >>