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