1: (0 1 11)

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

2: (4 16 21)

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

3: (2 17 15)

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

4: (1 19 16)

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