C111123313121111121111331323133313331333132322121111121111132333213221   >>    C11112331312111112111133132313331333133313232212111112111113233321322   <<    C111123313121111121111331323133313331333132322121111121111132333213223   >>      C111123313121111121111331323133313331333132322121111121111132333213222   >>