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

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

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

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

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