C313212111113331323312111133133313331333133313331333133112111133132211   >>    C31321211111333132331211113313331333133313331333133313311211113313221   <<    C313212111113331323312111133133313331333133313331333133112111133132213   >>      C313212111113331323312111133133313331333133313331333133112111133132212   >>