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

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

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

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

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