1: (0 4 5)

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

2: (5 8 20)

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

3: (2 11 7)

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

4: (1 16 3)

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