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

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

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

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

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