C3123223313331322121111331333133313231333132212113313331333133112121311221121   >>    C312322331333132212111133133313331323133313221211331333133313311212131122112   <<    C3123223313331322121111331333133313231333132212113313331333133112121311221123   >>      C3123223313331322121111331333133313231333132212113313331333133112121311221122   >>