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