C312322331333132212111133133313231333132333132333132313331322331333131133232321   >>    C31232233133313221211113313331323133313233313233313231333132233133313113323232   <<    C312322331333132212111133133313231333132333132333132313331322331333131133232323   >>      C312322331333132212111133133313231333132333132333132313331322331333131133232322   >>