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

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

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

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

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