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

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

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

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

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