BEFORE EXTENDS BASE 3
block1 extends base 1
block2 extends base 2
block3 extends base 3
    BEFORE ALL
    BEFORE EMBED BASE 3
block1 embed base 1
block2 embed base 2
block3 embed base 3
    block4 embed embed
    parent=block4 embed base 3

    block1=block1 embed base 1

    block2=block2 embed base 2

    block3=block3 embed base 3

    AFTER EMBED BASE 3
    AFTER ALL

    block4 extends extends
    parent=block4 extends base 3

    block1=block1 extends base 1

    block2=block2 extends base 2

    block3=block3 extends base 3

AFTER EXTENDS BASE 3