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