1: (0 7 20)

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

2: (3 21 19)

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

3: (1 11 4)

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

4: (0 18 2)

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