C31321211111333132331211113313331333133313331333133313331322132313121   >>    C3132121111133313233121111331333133313331333133313331333132213231312   <<    C31321211111333132331211113313331333133313331333133313331322132313123   >>      C31321211111333132331211113313331333133313331333133313331322132313122   >>