yl6x zl6x4 0l6x4y 1l6x 2l6x4

nc7x4 oc7x4y pc7x qc7x4 rc7x4y

c37x4y d37x e37x4 f37x4y g37x

1t8x 2t8x4 3t8x4y 4t8x 5t8x4

qk9x4 rk9x4y sk9x tk9x4 uk9x4y