1: (0 2 7)

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

2: (4 7 19)

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

3: (1 20 12)

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

4: (3 8 5)

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