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