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

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

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

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

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