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

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

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

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

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