C3123223313331322121111331333133313231333132212113313331323111221   >>    C312322331333132212111133133313331323133313221211331333132311122   <<    C3123223313331322121111331333133313231333132212113313331323111223   >>      C3123223313331322121111331333133313231333132212113313331323111222   >>