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

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

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

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

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