11X121XX1X1XXX11
11X121XXXX22XX11
XXX122X21X1XXX11
XXX122X2XX22XX11
XXX121XXXX1XXX11
XXX121XX1X22XX11
11X122X2XX1XXX11
11X122X21X22XX11
X1X122XX1X2XXX11
X1X122XXXX12XX11
1XX121X21X2XXX11
1XX121X2XX12XX11
X1X121X21X12XX11
X1X121X2XX2XXX11
1XX122XX1X12XX11
1XX122XXXX2XXX11
