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