C31321211111333132331211113313331333133313223313331323131133132213121   >>    C3132121111133313233121111331333133313331322331333132313113313221312   <<    C31321211111333132331211113313331333133313223313331323131133132213123   >>      C31321211111333132331211113313331333133313223313331323131133132213122   >>