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

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

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

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

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