1: (0 3 15)

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

2: (2 16 13)

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

3: (1 21 15)

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

4: (0 5 16)

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