C312322331333132212111133133313331323133313221211113311331312321   >>    C31232233133313221211113313331333132313331322121111331133131232   <<    C312322331333132212111133133313331323133313221211113311331312323   >>      C312322331333132212111133133313331323133313221211113311331312322   >>