pass: %$\quad$ 
4-4-x-x, x-4-x-4, 5-3-3-3, 3-5-3-3, 
4-4-0-4, 0-4-4-4, 6-6-0-0, [x-L-x-x]

1$\clubsuit$: 3-3-5-3, 4-x-4-x, x-4-4-x, 4-4-4-0, 6-0-6-0, 0-6-6-0, [x-x-L-x]

1$\diamondsuit$: 4-x-x-4, 3-3-3-5, x-x-4-4, 4-0-4-4, [x-x-x-L]

1$\heartsuit$: %\textcolor{red}{1NT}:
x-x-x-6, \{4-x-x-6, x-4-x-6,\} x-x-4-6, 6-0-0-6, 0-6-0-6, 0-0-6-6
%x-x-4-6, x-x-x-6, $\frac{0-4-0-8}{x-4-x-6}$, $\frac{4-0-0-8}{4-x-x-6}$, 6-0-0-6, 0-6-0-6, 0-0-6-6

1$\spadesuit$: 6-x-x-x, 6-4-x-x, 6-x-4-x, 6-x-x-4, [L-x-x-x]

1N: x-6-x-x, \{4-6-x-x,\} x-6-4-x\{, x-6-x-4\}

2$\clubsuit$: x-x-6-x, \{4-x-6-x, x-4-6-x,\} x-x-6-4
