(0 21 5)(1 4 2)(3 9 6)(7 12 10)(8 18 15 13 11)(14 19 16)(17 22 20)
ALLOWS (11/8)-SEQUENCE
1: (1 4 8)

(0 21 5)(1 18 15 13 11 8 2)(3 9 6)(4)(7 12 10)(14 19 16)(17 22 20)
2: (3 9 6)

(0 21 5)(1 18 15 13 11 8 2)(3)(4)(6)(7 12 10)(9)(14 19 16)(17 22 20)
3: (2 11 8)

(0 21 5)(1 18 15 13 11)(2)(3)(4)(6)(7 12 10)(8)(9)(14 19 16)(17 22 20)
4: (7 12 10)

(0 21 5)(1 18 15 13 11)(2)(3)(4)(6)(7)(8)(9)(10)(12)(14 19 16)(17 22 20)