1: (0 1 12)

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

2: (4 12 21)

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

3: (2 19 7)

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

4: (3 8 5)

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