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

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

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

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

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