C31321211111333132331211113313331333133313331333133313331333133321133132223121   >>    C3132121111133313233121111331333133313331333133313331333133313332113313222312   <<    C31321211111333132331211113313331333133313331333133313331333133321133132223123   >>      C31321211111333132331211113313331333133313331333133313331333133321133132223122   >>