1: (0 1 4)

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

2: (4 13 20)

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

3: (2 18 7)

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

4: (17 21 19)

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