1: (6 15 17)

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

2: (5 16 7)

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

3: (2 17 20)

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

4: (0 19 3)

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