C3132121111133313233121111331333133313331312121111331322331323212121   >>    C313212111113331323312111133133313331333131212111133132233132321212   <<    C3132121111133313233121111331333133313331312121111331322331323212123   >>      C3132121111133313233121111331333133313331312121111331322331323212122   >>