C3132121111133313233121111331333133313331312121111113313331322331311121   >>    C313212111113331323312111133133313331333131212111111331333132233131112   <<    C3132121111133313233121111331333133313331312121111113313331322331311123   >>      C3132121111133313233121111331333133313331312121111113313331322331311122   >>