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

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

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

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

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