C313212111113331323312111133133313331333131212111133232213223311   >>    C31321211111333132331211113313331333133313121211113323221322331   <<    C313212111113331323312111133133313331333131212111133232213223313   >>      C313212111113331323312111133133313331333131212111133232213223312   >>