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

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

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

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

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