C312322331333132212111133133313331323133313221211111221323113121   >>    C31232233133313221211113313331333132313331322121111122132311312   <<    C312322331333132212111133133313331323133313221211111221323113123   >>      C312322331333132212111133133313331323133313221211111221323113122   >>