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

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

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

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

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