{"B":5,"C":9}
{"B":2,"C":6}
{"B":3,"C":7}
{"B":4,"C":8}
{"B":6,"C":10}
{"B":7,"C":11}
{"B":8,"C":12}
{"B":9,"C":1}
{"B":10,"C":2}
{"B":11,"C":3}
{"B":12,"C":4}
{"B":1,"C":5}