1: (0 1 6)

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

2: (3 6 20)

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

3: (2 13 4)

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

4: (1 19 6)

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