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

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

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

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

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