Each: signed, titled and dated 2011 ink on paper, in twelve parts (i, iv, vi) 42 by 30cm., 16 1/2 by 11 3/4 in. (ii, iii, v) 30 by 42cm.; 11 3/4 by 16 1/2 in. (vii) 60 by 42cm.; 23 5/8 by 16 1/2 in. (viii) 42 by 60cm.; 16 1/2 by 23 5/8 in. (ix) 36 by 21cm.; 14 1/8 by 8 1/4 in. (x, xi) 32 by 24cm.; 12 5/8 by 9 3/8 in. (xii) 32 by 17cm.; 12 5/8 by 6 5/8 in.