1: (5 9 15)

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

2: (1 14 8)

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

3: (4 15 6)

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

4: (0 13 2)

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