1: (0 1 3)

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

2: (3 7 19)

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

3: (6 21 12)

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

4: (1 19 4)

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