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