for(t2 = 0; t2 <= an-1; t2++) {
  s2(t2);
  for(t4 = 0; t4 <= -over1+bm-1; t4 += 4) {
    s0(t2,t4,0);
    s1(t2,t4,0);
    s5(t2,t4,0);
    s6(t2,t4,0);
    s7(t2,t4,0);
    s8(t2,t4,0);
    s9(t2,t4,0);
    s10(t2,t4,0);
    for(t6 = 1; t6 <= ambn-1; t6++) {
      s1(t2,t4,t6);
      s6(t2,t4,t6);
      s8(t2,t4,t6);
      s10(t2,t4,t6);
    }
  }
  for(t4 = max(bm-over1,0); t4 <= bm-1; t4++) {
    s3(t2,t4,0);
    s4(t2,t4,0);
    for(t6 = 1; t6 <= ambn-1; t6++) {
      s4(t2,t4,t6);
    }
  }
}