2x2 - 7x7 - 7:

My best is 7: 7x7(Shengshou) - 3:05 4x4(Shengshou) - :50 6x6(V-cube) - 1:54 5x5(Shengshou) - 1:09( 2) 2x2(Type C) - :04 3x3(Zhanchi) - :12