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

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

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

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

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