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

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

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

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

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