C312322331333132212111133133313331333133312121111331333132221132321   >>    C31232233133313221211113313331333133313331212111133133313222113232   <<    C312322331333132212111133133313331333133312121111331333132221132323   >>      C312322331333132212111133133313331333133312121111331333132221132322   >>