C312322331333132212111133133313331323133313221211113322121111331333313231121   >>    C31232233133313221211113313331333132313331322121111332212111133133331323112   <<    C312322331333132212111133133313331323133313221211113322121111331333313231123   >>      C312322331333132212111133133313331323133313221211113322121111331333313231122   >>