C313331311233133313112331333132313331323132322331333133313232313331322121   >>    C31333131123313331311233133313231333132313232233133313331323231333132212   <<    C313331311233133313112331333132313331323132322331333133313232313331322123   >>      C313331311233133313112331333132313331323132322331333133313232313331322122   >>