C3123223313331322121111331333133313231333132212111112113313133112231   >>    C312322331333132212111133133313331323133313221211111211331313311223   <<    C3123223313331322121111331333133313231333132212111112113313133112233   >>      C3123223313331322121111331333133313231333132212111112113313133112232   >>