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

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

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

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

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