C3123223313331322121111331333133313121111331323133313332313233232133121   >>    C312322331333132212111133133313331312111133132313331333231323323213312   <<    C3123223313331322121111331333133313121111331323133313332313233232133123   >>      C3123223313331322121111331333133313121111331323133313332313233232133122   >>