1 1 1 1
1 1 1 1 1 1
0 1 2 3 0 1
2 3 4 5 6 7
8 9 10 11 12 13
14 15 16 17 18 18a
19 20 21 22 23 24
25 26 27 28 29 30
31 32 33 34 35 36
37 38 39 water1 water2 water3
water4 water5 water6 water7 water8 water9
water10 water11