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

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

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

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

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