C312322331333132212111133133313331333133312121111331211113323232321   >>    C31232233133313221211113313331333133313331212111133121111332323232   <<    C312322331333132212111133133313331333133312121111331211113323232323   >>      C312322331333132212111133133313331333133312121111331211113323232322   >>