C313212111113331323312111133133313331333133313331333133313331333131121211212321   >>    C31321211111333132331211113313331333133313331333133313331333133313112121121232   <<    C313212111113331323312111133133313331333133313331333133313331333131121211212323   >>      C313212111113331323312111133133313331333133313331333133313331333131121211212322   >>