C3132121111133313233121111331333133313331322331333133313232233112113121   >>    C313212111113331323312111133133313331333132233133313331323223311211312   <<    C3132121111133313233121111331333133313331322331333133313232233112113123   >>      C3132121111133313233121111331333133313331322331333133313232233112113122   >>