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

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

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

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

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