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

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

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

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

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