C313212111113331323312111133133313331333131212111133133313332233313331323221311   >>    C31321211111333132331211113313331333133313121211113313331333223331333132322131   <<    C313212111113331323312111133133313331333131212111133133313332233313331323221313   >>      C313212111113331323312111133133313331333131212111133133313332233313331323221312   >>