C312322331333132212111133133313331333133312121111331322132321221   >>    C31232233133313221211113313331333133313331212111133132213232122   <<    C312322331333132212111133133313331333133312121111331322132321223   >>      C312322331333132212111133133313331333133312121111331322132321222   >>