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

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

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

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

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