W2

ABCD
1 W2-A1
sign
W2-B1
sign
W2-C1
sign
W2-D1
sign
2 W2-A2
sign
W2-B2
sign
W2-C2
sign
W2-D2
sign
3 blank
sign
W2-B3
sign
W2-C3
sign
W2-D3
sign
4 W2-A4
sign
W2-B4
sign
W2-C4
sign
W2-D4
sign
5 W2-A5
sign
W2-B5
sign
W2-C5
sign
W2-D5
sign
6 W2-A6
sign
W2-B6
sign
W2-C6
sign
W2-D6
sign