头部 | Head
R1: magic ring, sc 6 = [6]
R2: inc x 6 = [12]
R3: (sc, inc) x 6 = [18]
R4: (inc, sc 2) x 6 = [24]
R5: (sc 3, inc) x 6 = [30]
R6: sc, inc, (sc 4, inc) x 5, sc 3 = [36]
R7: (sc 5, inc) x 6 = [42]
R8: sc 2, inc, (sc 6, inc) x 5, sc 4 = [48]