C312322331333132212111133133313331323133313221211111211113313123132313221   >>    C31232233133313221211113313331333132313331322121111121111331312313231322   <<    C312322331333132212111133133313331323133313221211111211113313123132313223   >>      C312322331333132212111133133313331323133313221211111211113313123132313222   >>