C312322331333132212111133133313331323133313221211113313121111331212121   >>    C31232233133313221211113313331333132313331322121111331312111133121212   <<    C312322331333132212111133133313331323133313221211113313121111331212123   >>      C312322331333132212111133133313331323133313221211113313121111331212122   >>