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

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

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

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

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