C312322331333132212111133133313331333133312121111331333132333133313111132321   >>    C31232233133313221211113313331333133313331212111133133313233313331311113232   <<    C312322331333132212111133133313331333133312121111331333132333133313111132323   >>      C312322331333132212111133133313331333133312121111331333132333133313111132322   >>