C312322331333132212111133133313331333133312121111331323133312232133121   >>    C31232233133313221211113313331333133313331212111133132313331223213312   <<    C312322331333132212111133133313331333133312121111331323133312232133123   >>      C312322331333132212111133133313331333133312121111331323133312232133122   >>