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

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

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

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

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