1                     ..,,,,..
 2               .oocchhhhhhhhhhccoo.
 3        .ochhlllllllc hhhhhh ollllllhhco.
 4    ochlllllllllll hhhllllllhhh lllllllllllhco
 5 .cllllllllllllll hlllllo  +hllh llllllllllllllc.
 6ollllllllllhco''  hlllllo  +hllh  ``ochllllllllllo
 7hllllllllc'       hllllllllllllh       `cllllllllh
 8ollllllh          +llllllllllll+          hllllllo
 9 `cllllh.           ohllllllho           .hllllc'
10    ochllc.            ++++            .cllhco
11       `+occooo+.                .+ooocco+'
12              `+oo++++      ++++oo+'