C313212111113331323312111133133313331333133313331333133313331323221123321   >>    C31321211111333132331211113313331333133313331333133313331333132322112332   <<    C313212111113331323312111133133313331333133313331333133313331323221123323   >>      C313212111113331323312111133133313331333133313331333133313331323221123322   >>