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

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

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

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

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