1: (0 3 16)

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

2: (2 20 5)

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

3: (3 17 7)

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

4: (1 19 13)

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