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

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

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

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

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