C312322331333132212111133133313331333133312121111331211111333133313112211232321   >>    C31232233133313221211113313331333133313331212111133121111133313331311221123232   <<    C312322331333132212111133133313331333133312121111331211111333133313112211232323   >>      C312322331333132212111133133313331333133312121111331211111333133313112211232322   >>