1: (0 1 3)

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

2: (1 5 13)

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

3: (4 15 12)

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

4: (3 21 13)

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