C3132121111331312113313331333131211113313221323133313232233131333131   >>    C313212111133131211331333133313121111331322132313331323223313133313   <<    C3132121111331312113313331333131211113313221323133313232233131333133   >>      C3132121111331312113313331333131211113313221323133313232233131333132   >>