C22213331333133313112331323133313331333133313232321333133313221323223313332121   >>    C2221333133313331311233132313331333133313331323232133313331322132322331333212   <<    C22213331333133313112331323133313331333133313232321333133313221323223313332123   >>      C22213331333133313112331323133313331333133313232321333133313221323223313332122   >>