C3123223313331322121111331333133313331333121211113313112113312321   >>    C312322331333132212111133133313331333133312121111331311211331232   <<    C3123223313331322121111331333133313331333121211113313112113312323   >>      C3123223313331322121111331333133313331333121211113313112113312322   >>