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

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

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

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

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