1: (0 3 16)

(0 6 3 21 18 4 2)(1 20 16)(5 11 7)(8 17 9)(10 14 12)(13 19 15)

2: (2 18 4)

(0 6 3 21 18)(1 20 16)(2)(4)(5 11 7)(8 17 9)(10 14 12)(13 19 15)

3: (1 20 16)

(0 6 3 21 18)(1)(2)(4)(5 11 7)(8 17 9)(10 14 12)(13 19 15)(16)(20)

4: (0 21 18)

(0)(1)(2)(3 21 6)(4)(5 11 7)(8 17 9)(10 14 12)(13 19 15)(16)(18)(20)