C111123313121111121111331323133313331333132322121111113313232223221   >>    C11112331312111112111133132313331333133313232212111111331323222322   <<    C111123313121111121111331323133313331333132322121111113313232223223   >>      C111123313121111121111331323133313331333132322121111113313232223222   >>