C3123223313331322121111331333133313331333121211111211111333112323231   >>    C312322331333132212111133133313331333133312121111121111133311232323   <<    C3123223313331322121111331333133313331333121211111211111333112323233   >>      C3123223313331322121111331333133313331333121211111211111333112323232   >>