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

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

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

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

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