C312322331333132212111133133313331323133313221211111211331333131133132321311   >>    C31232233133313221211113313331333132313331322121111121133133313113313232131   <<    C312322331333132212111133133313331323133313221211111211331333131133132321313   >>      C312322331333132212111133133313331323133313221211111211331333131133132321312   >>