C313212111113331323312111133133313331333133313331333133313222323131   >>    C31321211111333132331211113313331333133313331333133313331322232313   <<    C313212111113331323312111133133313331333133313331333133313222323133   >>      C313212111113331323312111133133313331333133313331333133313222323132   >>