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