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

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

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

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

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