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

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

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

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

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