1: (1 6 20)

(0 16 2)(1 10 9 20 3)(4 18 17)(5 11 8)(6)(7 14 12)(13 19 15)

2: (0 16 2)

(0)(1 10 9 20 3)(2)(4 18 17)(5 11 8)(6)(7 14 12)(13 19 15)(16)

3: (1 10 3)

(0)(1)(2)(3 9 20)(4 18 17)(5 11 8)(6)(7 14 12)(10)(13 19 15)(16)

4: (5 11 8)

(0)(1)(2)(3 9 20)(4 18 17)(5)(6)(7 14 12)(8)(10)(11)(13 19 15)(16)