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

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

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

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

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