SCOC1 1X112212(X)1X 2XXX2 * X1(2)X22XX111 X2XX1 * 1X1211212(1)1 11111 * XX(2)XXXXXX12 221X2 * 1X2X112(1)222 22212 * 111X(1)X12221 11221 * 122X(2)X112XX X21XX * 2X1X2(X)22121 XX211 * X1(X)112112X2 22X12 *