C22212323232133313113313331333132313331323133313133113133111232321   >>    C2221232323213331311331333133313231333132313331313311313311123232   <<    C22212323232133313113313331333132313331323133313133113133111232323   >>      C22212323232133313113313331333132313331323133313133113133111232322   >>