C313212111113331323312111133133313331333133313331333133112111133132322331123231   >>    C31321211111333132331211113313331333133313331333133313311211113313232233112323   <<    C313212111113331323312111133133313331333133313331333133112111133132322331123233   >>      C313212111113331323312111133133313331333133313331333133112111133132322331123232   >>