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

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

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

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

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