1: (2 8 20)

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

2: (0 19 6)

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

3: (3 8 7)

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

4: (1 17 4)

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