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

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

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

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

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