C111123313121111121111331323133313331333132322121111331331122311321   >>    C11112331312111112111133132313331333133313232212111133133112231132   <<    C111123313121111121111331323133313331333132322121111331331122311323   >>      C111123313121111121111331323133313331333132322121111331331122311322   >>