1: (0 1 12)

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

2: (3 12 20)

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

3: (7 21 17)

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

4: (2 10 4)

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