The whole pirates vs ninjas thing is just idiotic and stupid. Pirates are bumfucking, scurvy-infected half-naked brutes. Ninjas could kill them any day. And pirates are lame. You sail across water? I walk across water. On Jesus.
English, por favor.
There are 4 different sized holes, and you can cover up any amount of them, including all or none, then you can have the bottom hole open or closed. I worked out the math a couple nights ago when I was really bored.