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