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

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

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

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

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