1: (0 1 15)

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

2: (3 15 20)

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

3: (6 21 16)

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

4: (2 12 4)

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