C312322331333132212111133133313331323133313221211111211113322321   >>    C31232233133313221211113313331333132313331322121111121111332232   <<    C312322331333132212111133133313331323133313221211111211113322323   >>      C312322331333132212111133133313331323133313221211111211113322322   >>