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

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

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

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

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