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

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

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

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

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