C313212111113331323312111133133313331333133313331333133313331322112113121221   >>    C31321211111333132331211113313331333133313331333133313331333132211211312122   <<    C313212111113331323312111133133313331333133313331333133313331322112113121223   >>      C313212111113331323312111133133313331333133313331333133313331322112113121222   >>