C11112331333132311331333133313331333132313311331333133313221333132322321231231   >>    C1111233133313231133133313331333133313231331133133313331322133313232232123123   <<    C11112331333132311331333133313331333132313311331333133313221333132322321231233   >>      C11112331333132311331333133313331333132313311331333133313221333132322321231232   >>