1: (0 1 6)

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

2: (1 8 19)

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

3: (6 21 15)

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

4: (4 10 7)

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