1,2
at1:1,2,3,4
at2:continuous
at3:0,1,2,3,4
at4:continuous
at5:1,2,3,4,5
at6:continuous
at7:continuous
at8:continuous
at9:continuous
at10:continuous
at11:0,1,2,3
at12:0,1,2,3,4
at13:0,1,2
at14:0,1,2
at15:0,1,2
at16:0,1
at17:0,1
at18:0,1
at19:0,1
at20:0,1
at21:0,1
at22:0,1
at23:0,1
at24:0,1