C31321211111333132331211113313331333133313223313331333133312211211   >>    C3132121111133313233121111331333133313331322331333133313331221121   <<    C31321211111333132331211113313331333133313223313331333133312211213   >>      C31321211111333132331211113313331333133313223313331333133312211212   >>