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

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

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

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

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