C3123223313331322121111331333133313121111331323131133132322121111331123232321   >>    C312322331333132212111133133313331312111133132313113313232212111133112323232   <<    C3123223313331322121111331333133313121111331323131133132322121111331123232323   >>      C3123223313331322121111331333133313121111331323131133132322121111331123232322   >>