C312322331333132212111133133313331333133312121111331322121133131231221121   >>    C31232233133313221211113313331333133313331212111133132212113313123122112   <<    C312322331333132212111133133313331333133312121111331322121133131231221123   >>      C312322331333132212111133133313331333133312121111331322121133131231221122   >>