1RSJKDTRSJKDTRSRSRSRSJKJKJKJKJKDRDSDRDSDR2DSDRDSCPCPJKJKnnnQKQJQ+=+1JK1+nQnnnQKQJQ+=+1DDDQn=+1CPCPDD3DCPCPDDQn=+1CPDDRDSDRDSJKD⎯⎯↓⎯⎯↑⎯⎯nQ⎯⎯1+nQ⎯⎯ϕ⎯⎯DSDRJK1+nQ1+nQϕϕ↓nQnQ↓↓↓nQnQ↑nQnQDSDRD1+nQ1+nQϕϕ↑↑↓nQnQ4nnnQTQTQ+=+11+nQnQTnnQQ=+1TJKT′CPDQDT′TT′RSRSQQQRSJKDRDSDRDSJKQQDRDSJKCPDRDSDRDSQQDRDSJKCPQQ5CPCP→DDRDSDCP→DJKDTT′DDQT′CPQCP1+nQnQJKDTT′6DJKTT′1FF4FFJK1S2S3S4SRSRS1LED4LED1S4SLEDSLED1G2G6RS7nQ1+nQJKCPJKDRDS1+nQJK1+nQJKCPnQnQ→→→→→→→→D1+nQDCPnQnQ→8→→→CP1+nQRSJKDJKD