C31321211111333132331211113313331333133313331333133313331333132322132212311   >>    C3132121111133313233121111331333133313331333133313331333133313232213221231   <<    C31321211111333132331211113313331333133313331333133313331333132322132212313   >>      C31321211111333132331211113313331333133313331333133313331333132322132212312   >>