C313212111113331323312111133133313331333131212111133133313133313223322321   >>    C31321211111333132331211113313331333133313121211113313331313331322332232   <<    C313212111113331323312111133133313331333131212111133133313133313223322323   >>      C313212111113331323312111133133313331333131212111133133313133313223322322   >>