C31321211111333132331211113313331333133313223313331311332212311   >>    C3132121111133313233121111331333133313331322331333131133221231   <<    C31321211111333132331211113313331333133313223313331311332212313   >>      C31321211111333132331211113313331333133313223313331311332212312   >>