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