C3132121111133313233121111331333133313331312121111331333113313331322321321   >>    C313212111113331323312111133133313331333131212111133133311331333132232132   <<    C3132121111133313233121111331333133313331312121111331333113313331322321323   >>      C3132121111133313233121111331333133313331312121111331333113313331322321322   >>