C111123313331323113313331313331333132313331322121111331323132321311   >>    C11112331333132311331333131333133313231333132212111133132313232131   <<    C111123313331323113313331313331333132313331322121111331323132321313   >>      C111123313331323113313331313331333132313331322121111331323132321312   >>