C313212111113331323312111133133313331333133313331333121111331322321   >>    C31321211111333132331211113313331333133313331333133312111133132232   <<    C313212111113331323312111133133313331333133313331333121111331322323   >>      C313212111113331323312111133133313331333133313331333121111331322322   >>