1: (4 8 20)

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

2: (0 19 20)

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

3: (3 16 6)

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

4: (1 20 8)

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