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

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

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

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

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