1: (0 1 6)

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

2: (3 6 20)

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

3: (2 13 4)

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

4: (1 19 6)

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