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

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

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

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

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