(0 20 2)(1 7 4 16 5)(3 18 17)(6 10 8)(9 13 11)(12 19 14)(15 22 21)
ALLOWS (11/8)-SEQUENCE
1: (1 7 9)

(0 20 2)(1 13 11 9 4 16 5)(3 18 17)(6 10 8)(7)(12 19 14)(15 22 21)
2: (6 10 8)

(0 20 2)(1 13 11 9 4 16 5)(3 18 17)(6)(7)(8)(10)(12 19 14)(15 22 21)
3: (4 11 9)

(0 20 2)(1 13 11 16 5)(3 18 17)(4)(6)(7)(8)(9)(10)(12 19 14)(15 22 21)
4: (5 11 16)

(0 20 2)(1 13 11)(3 18 17)(4)(5)(6)(7)(8)(9)(10)(12 19 14)(15 22 21)(16)