C3123223313331322121111331333133313331333121211113312111133211231311321   >>    C312322331333132212111133133313331333133312121111331211113321123131132   <<    C3123223313331322121111331333133313331333121211113312111133211231311323   >>      C3123223313331322121111331333133313331333121211113312111133211231311322   >>