C3123223313331322121111331333133313331333121211113313232223213231312321   >>    C312322331333132212111133133313331333133312121111331323222321323131232   <<    C3123223313331322121111331333133313331333121211113313232223213231312323   >>      C3123223313331322121111331333133313331333121211113313232223213231312322   >>