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