C312322331333132212111133133313331323133313221211111231211111333131133232321   >>    C31232233133313221211113313331333132313331322121111123121111133313113323232   <<    C312322331333132212111133133313331323133313221211111231211111333131133232323   >>      C312322331333132212111133133313331323133313221211111231211111333131133232322   >>