C313212111113331323312111133133313331333133313331333133313331333133112313321311   >>    C31321211111333132331211113313331333133313331333133313331333133313311231332131   <<    C313212111113331323312111133133313331333133313331333133313331333133112313321313   >>      C313212111113331323312111133133313331333133313331333133313331333133112313321312   >>