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

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

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

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

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