C313212111113331323312111133133313331333133313331333121111331323132212111   >>    C31321211111333132331211113313331333133313331333133312111133132313221211   <<    C313212111113331323312111133133313331333133313331333121111331323132212113   >>      C313212111113331323312111133133313331333133313331333121111331323132212112   >>