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

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

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

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

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