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

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

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

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

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