C111123313121111121111331323133313331333132322121111331331121331321   >>    C11112331312111112111133132313331333133313232212111133133112133132   <<    C111123313121111121111331323133313331333132322121111331331121331323   >>      C111123313121111121111331323133313331333132322121111331331121331322   >>