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

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

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

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

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