C31321211111333132331211113313331333133313331333133313331333131133133322221   >>    C3132121111133313233121111331333133313331333133313331333133313113313332222   <<    C31321211111333132331211113313331333133313331333133313331333131133133322223   >>      C31321211111333132331211113313331333133313331333133313331333131133133322222   >>