1: (0 2 7)

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

2: (4 7 21)

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

3: (3 8 5)

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

4: (2 19 7)

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