C31321211111333132331211113313331333133313331333133313331333133112323132312121   >>    C3132121111133313233121111331333133313331333133313331333133313311232313231212   <<    C31321211111333132331211113313331333133313331333133313331333133112323132312123   >>      C31321211111333132331211113313331333133313331333133313331333133112323132312122   >>