C111123313121111121111331323133313331333132322121111112111231221   >>    C11112331312111112111133132313331333133313232212111111211123122   <<    C111123313121111121111331323133313331333132322121111112111231223   >>      C111123313121111121111331323133313331333132322121111112111231222   >>