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

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

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

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

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