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

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

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

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

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