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

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

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

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

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