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