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

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

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

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

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