C313212111113331323312111133133313331333131212111113331322331322121221   >>    C31321211111333132331211113313331333133313121211111333132233132212122   <<    C313212111113331323312111133133313331333131212111113331322331322121223   >>      C313212111113331323312111133133313331333131212111113331322331322121222   >>