1: (3 6 16)

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

2: (1 7 5)

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

3: (6 20 8)

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

4: (0 19 9)

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