1: (0 1 7)

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

2: (3 7 19)

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

3: (2 9 6)

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

4: (1 16 7)

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