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

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

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

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

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