N    N   OOOOOO          H    H   EEEEEE   LL       PPPPP
        NN   N   O    O          H    H   E        LL       P    P
        N N  N   O    O          HHHHHH   EEEE     LL       PPPPP
        N  N N   O    O          H    H   E        LL       P
        N   NN   OOOOOO          H    H   EEEEEE   LLLLLL   P


 AAAA    V    V    AAAA    II   LL         AAAA    BBBBB    LL       EEEEEE
A    A   V    V   A    A   II   LL        A    A   B   B    LL       E
AAAAAA    V  V    AAAAAA   II   LL        AAAAAA   BBBB     LL       EEEE
A    A    V  V    A    A   II   LL        A    A   B   B    LL       E
A    A     V      A    A   II   LLLLLL    A    A   BBBBB    LLLLLL   EEEEE